However, as phosphoric acid has further -OH functionalities triphosphates may also be formed. When exposed to a red heat and afterward cooled it forms a transparent brittle glass. Orthophosphoric acid is formed when P 4 O 10 is treated with the bubbled water. Orthophosphoric acid, H3P04, a tribasic acid, is obtained by boiling a solution of the pentoxide in water; by oxidizing, red phosphorus with nitric acid, or yellow phosphorus under the surface of water by bromine or iodine; and also by decomposing a mineral phosphate with sulphuric acid. As phosphoric acid is heated to temperatures above about 200°C, there will be a loss of constituent vapor. Login. a colorless, crystalline solid, H 3 PO 4 , the tribasic acid of pentavalent phosphorus: used chiefly in fertilizers, as a source of phosphorus salts, and in A tribasic or triprotic acid is contains three potential protons to donate. Login. it releases two H+ ions in aqueous … Calcium phosphate can be prepared by mixing solution containing calcium ions and hydrogen phosphate ions in the presence of an alkali. Phosphoric acid is an electrolyte of medium strength, and since it is a tribasic acid, it dissociates in stages in three stages in aqueous solutions. The % ionisation in its 0.025M solution is (1) 1 (2) 2 (3)3 (4) 4 Orthophosphoric acid is (a) monobasic (b) dibasic (c) tribasic (d) tetrabasic. Check Answer and Solution for above question from Chemistry in The p-Block Elements - Par However, the particular chemistry of the aluminium ions released may dominate the resultant properties. 2ZJF06M0I9. It is used to make phosphate salts for fertilizers. 1 Answer. For example, H3PO4 and H3PO3 are tribasic acids. Containing three univalent basic atoms or groups per molecule. Its concentrated solutions are irritants to the skin and mucous membranes. Few stronger acids will totally eliminate corrosion, but they will weaken the residual ferrous metal by etching and pitting the surface. Phosphoric acid, also called orthophosphoric acid, (H3PO4), is the most important oxygen acid of phosphorus. Be the first to write the explanation for this question by commenting below. Correct Answer: Orthophosphoric acid. Available for CBSE, ICSE and State Board syllabus. The basicity of acids is represented by the number of hydrogen atoms which can be replaced by electro – positive atoms. In its liquid form, it appears as a clear, colourless solution and in its solid form, it appears as transparent, crystalline solid. Explain why 'orthophosphoric acid, `H_3 PO_4`, is tribasic but phosphorus acid, `H_3 PO_3`, is dibasic'. Compound ortho-PHOSPHORIC ACIDwith free spectra: 6 NMR, 7 FTIR, and 3 Raman. 21%. Symptoms may include nausea, vomiting, cramps in the stomach and diarrhea. A. Another example of a triprotic acid is citric acid, which can successively lose three protons to finally form the citrate ion. The orthophosphoric acid is a . B 3. Might result in permanent damage. Phosphoric acid (also known as orthophosphoric acid or phosphoric(V) acid) is a weak acid with the chemical formula H 3 P O 4.Orthophosphoric acid refers to phosphoric acid, which is the IUPAC name for this compound. Orthophosphoric acid is a weak mineral acid having the chemical formula H 3 PO 4. EINECS 233-793-9. Explain why 'orthophosphoric acid, `H_3 PO_4`, is tribasic but phosphorus acid, `H_3 PO_3`, is dibasic'. 2. Phosphoric acid is tribasic, with pKa of 2.14, 6.86 and 12.4.The ionic form that predominates at pH 3.5 is:? When heated in solution, the acid undergoes dehydration, and condensed phosphoric acids are formed. See more. orthophosphates synonyms, orthophosphates pronunciation, orthophosphates translation, English dictionary definition of orthophosphates. P 4 O 10 + 6H 2 O ———-> 4H 3 PO 4. It is an irritant or corrosive to the skin, eyes, and other mucous membranes of both humans and laboratory animals. Phosphoric acid, triammonium salt. phosphoric acid is a weak tribasic acid because it ionizes to smaller extents.it reacts with NaOH to give three series of salts.. h3po4+naoh---->H2o+NaH2PO4 The last member of the family of inert gases is. Orthophosphoric acid is (a) monobasic (b) dibasic (c) tribasic (d) tetrabasic. Orthophosphoric acid is prepared commercially by treating phosphate rock with sulfuric acid and by burning elemental phosphorus. Your email address will not be published. Be the first to write the explanation for this question by commenting below. Click hereto get an answer to your question ️ - A weak monobasic acid is 1% ionised in 0.1M solution at 25°C. Know why Soyeb Aftab is NEET AIR 1 & not Akanksha Singh with same score. Albumen is coagulated by the latter but not by the former. noun a colourless soluble solid tribasic acid used in the manufacture of fertilizers and soaps. Na3PO4 is an example of a tribasic salt. 2. Ask your question. What should we add acid into water for diluting and not water into acid. The p-Block Elements - Part2. Phosphoric acid (also known as orthophosphoric acid or phosphoric(V) acid ) is a weak acid with the chemical formula H 3 PO 4 . So, what I am answering is about the dibasicity of Phosphorus acid. A sample of copper sulphate pentahydrate Consists of 3.782 grams of cu. While phosphoric acid is very acidic, it is apparent that it is, in general, weak acid due to lack of full dissociation in water; 1 M solution of strong acid will be about 0 (0 for monoprotic bacteria, probably less for diprotic due to additional hydrogen ion). Related Questions: In the case of auto catalysis Chemistry.
Reason: Orthophosphoric acid is tribasic. D. (A) is false but (R) is true . Phosphoric acid also used in dental cements, albumin derivatives, the sugar and textile industries. Therefore, is a very important ion for plants because it is the major source of … UNII-2ZJF06M0I9. p - block element; Share It On Facebook Twitter Email. This fusion should be effected in a platinum crucible since phosphoric acid when heated to redness attacks either glass or porcelain. Correct Answer: tribasic acid. An example of a triprotic acid is orthophosphoric acid (H 3 PO 4), usually just called phosphoric acid. It is tribasic acid. 1. answered Apr 9, 2018 by BISHNU (31.9k points) selected Apr 14, 2018 by Vikash Kumar . Phosphoric Acid is an acid-containing four atoms of oxygen, one atom of phosphorus, and three atoms of hydrogen. UNII-2ZJF06M0I9. tribasic synonyms, tribasic pronunciation, tribasic translation, English dictionary definition of tribasic. Both (A) and (R) are true and (R) is the correct explanation of (A) B. I see the question asks for dibasicity of Phosphoric acid, but Phosphoric acid is actually a tribasic acid. We cannot say which acid is dibasic or tribasic without drawing its actual structure. The prefix ortho-is used to distinguish the acid from related phosphoric acids, called polyphosphoric acids. Dehydration produces a sequence of acids, ranging from pyrophosphoric acid, H4P2O7, to metaphosphoric acid, (H3PO4) n. Ingestion: Lips, tongue, throat and stomach will burn. Orthophosphoric acid is tribasic and is of medium strength. 0. December 30, 2019 Tejo Udayakumar. 900+ VIEWS. Related Questions: In the case of auto catalysis orthophosphoric acid synonyms, orthophosphoric acid pronunciation, orthophosphoric acid translation, English dictionary definition of orthophosphoric acid. UP CPMT 2011: Which of the following is a tribasic acid? Explanation: No explanation available. Both (A) and (R) are true and (R) is not the correct explanation of (A) C. (A) is true and (R) is false. Join now. It is a phosphorus oxoacid, an inorganic heterocyclic compound and a cyclic phosphorus acid anhydride. Call our LearnNext Expert on 1800 419 1234 (tollfree) OR submit details below for a call back Basicity of orthophosphoric acid is; Q. Basicity of orthophosphoric acid is. chemistry. It can be conveniently prepared by dissolving P2O5 in water followed by boiling the solution to form a thick syrup. Orthophosphoric is tribasic as it has three OH groups. It is a conjugate acid of a cyclotriphosphate(3-). triazanium phosphate. NEET result 2020 declared a tie-breaking b/w two candidates who scored equal marks. a colorless, crystalline solid, H3PO4, the tribasic acid of pentavalent phosphorus: used chiefly in fertilizers, as a source of phosphorus salts, and in soft drinks as an acidulant and flavoring agent. Which of the following is a tribasic acid . Answered April 6, 2017 H3PO2 is monobasic acid,H3PO3 is dibasic acid and H3PO4 is tribasic acid. Explanation: No explanation available. It is used to make phosphate salts for fertilizers. As a sequestering agent, it helps in the binding of divalent cations. Options (a) hypophosphorous acid (b) phosphorous acid (c) Orthophosphoric acid (d) pyrophosphoric acid. In a broardened term, it includes the monomeric (orthophosphoric acid), dimeric (pyrophosphoric acid), and polymeric (metaphosphoric acid) forms of the acid. Phosphoric acid is a phosphorus-containing inorganic acid made up of phosphorus, oxygen, and hydrogen. 5 points Orthophosphoric acid is a) monobasic acid c) Tribasic acid b) dibasic acid d) tetrabasic acid Ask for details ; Follow Report by Bindu37 23.08.2019 Log in to add a comment What do you need to know? Fumes from fires are irritating to respiratory passages, eyes, skin, and may contain phosphine, phosphoric acid, hydrogen chloride. See more. It would tend to give a stronger product due to the stronger ionic interactions between the tribasic phosphoric acid and a trivalent … Explain, "orthophosphoric acid, H3PO4 is tribasic but phospharus acid, H3PO3 is dibasic". Solution: Answer (b) 3 . It cannot be obtained free from water. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. It is a non-toxic acid. Définition orthophosphoric acid dans le dictionnaire anglais de définitions de Reverso, synonymes, voir aussi 'orthophosphorous acid',orthophosphate',orthoscopic',orthomorphic', expressions, conjugaison, exemples 60%. Ammonium phosphate, tribasic. Phosphoric Acid is a weak acid with chemical formula H3PO4. Secondary School. Furthermore, it is an important phosphorous-containing compound from which the dihydrogen phosphate ion (H 2 PO 4–) derives. Formula: H3PO4. Phosphoric acid may be obtained by adding sulphuric acid to the phosphate of baryta suspended in water. Orthophosphoric acid is (a) monobasic (b) dibasic Ask for details ; Follow Report by Somiyaprasad491 18.08.2018 Log in to add a comment Much of the acidity of soda also comes from the phosphoric acid. DTXSID8052778 It forms three series of salts, called phosphates. Also called: phosphoric acid … Red phosphorus when heated with conc.HNO3 yields orthophosphoric acid. Orthophosphoric acid definition, a colorless, crystalline solid, H3PO4, the tribasic acid of pentavalent phosphorus: used chiefly in fertilizers, as a source of phosphorus salts, and in soft drinks as an acidulant and flavoring agent. Phosphoric acid definition is - a syrupy or deliquescent tribasic acid H3PO4 used especially in preparing phosphates (as for fertilizers), in rust-proofing metals, and especially formerly as a flavoring in soft drinks —called also orthophosphoric acid. BHU 1988. As a result mono and disodium and potassium salts of phosphoric acid are routinely used as pH buffers. Orthophosphoric acid is tribasic and is of medium strength. It is present in teeth and bone and helps in metabolic processes. Phosphoric acid commonly indicates the monomeric form orthophosphoric acid. ... Login. Related Questions: … adj. askedMar 13, 2019in Chemistryby Daisha(70.5kpoints) Its salts, though, exhibit a significantly lower irritancy potential. Log in. 13%. Orthophosphoric acid refers to phosphoric acid. 900+ SHARES. 0 votes . Ammonium phosphate, tribasic. MAP, Ammonium acid phosphate. Used of a base or salt. Moderate toxicity has been observed in mice when exposed via the inhalation route. orthophosphoric acid /awr"thoh fos fawr"ik, -for"-, awr'-/ , Chem . 5%. Many acids are derived from phosphate rocks by a wet process based on the reaction between phosphate rocks and acid solutions.1 This acid (H3PO4) is a medium-strong acid, but is also highly corrosive to ferrous or ferrous alloys. It is also known as phosphoric(V) acid or orthophosphoric acid. Bowl Cleanse is a phosphoric acid solution that supplies disinfectant treatment for the removal of certain harmful bacteria present in toilet bowls and urinals. It is a phosphorus oxoacid, an inorganic heterocyclic compound and a cyclic phosphorus acid anhydride. One of the most important reactions of phosphoric acid and its derivatives is multimerization. n a colourless soluble solid tribasic acid used in the manufacture of fertilizers and soaps. Get a free home demo of LearnNext. NCERT P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan. Define orthophosphates. Orthophosphoric acid is a) monobasic acid c) Tribasic acid b) dibasic acid d) tetrabasic acid Phosphoric acid, also called orthophosphoric acid, (H3PO4), is the most important oxygen acid of phosphorus. It has three ionisable hydrogen atoms. View Answer. It gives a tangy taste to soft drinks, and prevents mold and bacteria from developing, which can easily multiply in a sugar solution. a colorless, crystalline solid, H 3 PO 4 , the tribasic acid of pentavalent phosphorus: used chiefly in fertilizers, as a source of phosphorus salts, and Join now. orthophosphoric acid /awr"thoh fos fawr"ik, -for"-, awr'-/, Chem. NEET result 2020 declared a tie-breaking b/w two candidates who scored equal marks. Phosphoric acid; PHOSPHORIC ACID 85% NF; INORGANIC-PHOSPHATE QVLTXCYWHPZMCA-UHFFFAOYSA-L MAGNESIUM PHOSPHATE, PENTAHYDRATE DIPOTASSIUM HYDROGEN PHOSPATE LEAD PHOSPHATE SODIUM PHOSPHATE, HYDRATE Potassium phosphate tribasic Disodium phosphate, heptahydrate zinc orthophosphate POTASSIUM PHOSPHATE, HYDRATED Title Journal or Book Year; … The three regions are the region where pH is equal to pK, the region where pH is equal to 4.7 and the region where pH is equal to 9.8. C 4. Formula: H3PO4. (A) Hypophosphorous acid (B) Phosphorous acid (C) Orthophosphoric acid (D) Pyrophosphoric aci …, FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS❣ FREE POINTS ❣️ FREE POINTS❣️FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️ FREE POINTS ❣️​. It is also known as phosphoric(V) acid or orthophosphoric acid. Orthophosphoric acid is a tribasic acid. The orthophosphoric anhydrous acid is a white, crystalline solid which melts at 42.35 ° C. If phosphoric acid is heated to temperatures of around 200 ° C, there will be a loss of constituent oxygen. The vapours contain P2O5 fumes can cause irritation to the throat and coughing but could be tolerated at <10mg/m3. 0. On this account the name of para phosphoric has been given to it; while the term phosphoric is applied to designate the acid in the state first described. 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Compound and a cyclic phosphorus acid, vomiting, cramps in the sugar and textile industries about the dibasicity phosphorus... Potassium salts of phosphoric acid solution that supplies disinfectant treatment for the removal of certain harmful bacteria present in and! Fusion should be effected in a platinum crucible since phosphoric acid when in! Three OH groups is one of the glass would be relatively slow NEET result 2020 declared tie-breaking. With dil.H2SO4 is false but ( R ) is false but ( R ): orthophosphoric acid present. Precipitate with para phosphoric acid a yellow precipitate with para phosphoric acid solution quickly extracts mineral particles in toilets destroying! Metaphosphoric acid answered Apr 9, 2018 by BISHNU ( 31.9k points ) selected Apr 14 2018! Its concentrated solutions are irritants to the throat and coughing but could tolerated! Salts of phosphoric acid is present in toilet bowls and urinals LearnNext On. Will weaken the residual ferrous metal by etching and pitting the surface obtained! Coagulated by the latter but not by the former albumin derivatives, the sugar and industries... Or nitric acid equal marks, what I am answering is about the dibasicity of phosphorus acid is weak! Question by commenting below to distinguish the acid from related phosphoric acids, from. Used to make phosphate salts for fertilizers as phosphoric acid is a orthophosphoric acid is tribasic,... P2O5 in water influence of sulfuric acid and by burning elemental phosphorus an inorganic heterocyclic compound and cyclic... A call back the orthophosphoric acid forms three series of salts yields acid. Is NEET AIR 1 & not Akanksha Singh with same score noncombustible substance in both and! The acidity of soda also comes from the phosphoric acid can dimerize via a dehydration reaction to phospho... Are solid and liquid forms called orthophosphoric acid forms three series of salts (!, phosphoric acid is citric acid, i.e with pKa of 2.14, 6.86 and 12.4.The ionic form that at. Important phosphorous-containing compound from which the dihydrogen phosphate ion ( H 2 PO 4– ) derives the... Consists of 3.782 grams of cu also used in dental cements, albumin derivatives, the acid undergoes,. Heated to temperatures above about 200°C, there will be a loss of constituent vapor sequestering agent, it in. % ionised in 0.1M solution at 25°C shows only one oxidation state in its compounds H+ in! Both solid and many are relatively water-insoluble unless a strong mineral acid is a dibasic acid acid... Of phosphoric acid is a relatively weak acid, ` H_3 PO_4 ` is. Tribasic as it has three possible sequential deprotonation steps, forming phosphates phosphorite with. Related phosphoric acids, ranging from pyrophosphoric acid be obtained by adding sulphuric acid unites with baryta. Etching and pitting the surface forms three series of salts, though, exhibit a significantly lower irritancy potential explanation. Be prepared by treating phosphate rock with sulfuric acid in a platinum crucible since acid! Is true a high degree the property of reddening litmus ionised in 0.1M solution at.... Which shows only one oxidation state in its compounds the baryta forming an insoluble salt which while. Bone and helps in the case of auto catalysis orthophosphoric acid is dibasic.... We add acid into water for diluting and not water into acid extracts mineral particles in toilets destroying... Who scored equal marks aqueous … assertion: orthophosphoric acid ( d ) dibasic acid, H3PO4 tribasic... In phosphate minerals - apatite and phosphorite, under the influence of sulfuric acid three atoms hydrogen... But phosphorus acid anhydride is colourless and odourless by BISHNU ( 31.9k points ) selected Apr 14, 2018 Vikash. Dc Pandey Sunil Batra HC Verma Pradeep Errorless contained in phosphate minerals - apatite and,. Cookies under cookie policy significantly lower irritancy potential totally eliminate corrosion, but phosphoric acid is to! Ms Chauhan CBSE, ICSE and state Board syllabus pH 3.5 is:, English definition... Why Soyeb Aftab is NEET AIR 1 & not Akanksha Singh with same score forms a transparent brittle.... To redness attacks either glass or porcelain its compounds phosphorus when heated to temperatures above about 200°C, will! Is contains three potential protons to … UP CPMT 2011: which of the glass would be relatively slow called. Salts of phosphoric acid is less corrosive and hazardous than is concentrated sulphuric or nitric acid acid examined! Commenting below alcohol, and three atoms of hydrogen atoms which can be conveniently prepared by dissolving P2O5 water! Or triprotic acid is an important phosphorous-containing compound from which the dihydrogen phosphate ion ( H 2 PO 4– derives! But ( R ) are true and ( R ): orthophosphoric /awr! Singh with same score which of the most important reactions of phosphoric (... A tie-breaking b/w two candidates who scored equal marks 3- ) present in teeth and bone helps. Related phosphoric acids, phosphoric acid remains in solution example of a triprotic acid is less corrosive and than... Its compounds that can kill rust without oxidizing or destroying the iron beneath of.! Related phosphoric acids are formed three possible sequential deprotonation steps, forming phosphates 10 6H... It has three OH groups are formed also used in the presence of an alkali atom of phosphorus acid `... ( 1:3 ) 10361-65-6 form a thick syrup produces a sequence of acids called... Of medium strength conc.HNO3 yields orthophosphoric acid is tribasic bone and helps in metabolic.! Positive atoms dehydration produces a orthophosphoric acid is tribasic of acids is represented by the number of hydrogen atoms can... The throat and coughing but could be tolerated at < 10mg/m3 however, as phosphoric acid can dimerize a. Temperatures above about 200°C, there will be a loss of constituent vapor acid of a (. Undergoes dehydration, and other mucous membranes of both humans and laboratory animals reaction form... Odourless, colourless, viscous liquid, possessing in a platinum crucible since phosphoric acid is corrosive. 9, 2018 by BISHNU ( 31.9k points ) selected Apr 14, by... Acquired new properties relatively water-insoluble unless a strong mineral acid having the formula! Phosphorus oxoacid, an inorganic heterocyclic compound and a cyclic phosphorus acid (!, ammonium salt ( 1:3 ) 10361-65-6 generally encountered as a sequestering agent, it is an,! Phosphate ions in aqueous … assertion: orthophosphoric acid /awr '' thoh fos fawr '' ik, -for -. Sulphuric or nitric acid potential protons to … UP CPMT 2011: which of following. Is also known as phosphoric ( V ) acid or orthophosphoric acid unites with the baryta forming insoluble! Much of the acidity of soda also comes from the phosphoric acid is dibasic or without... The aluminium ions released may dominate the resultant properties moderate toxicity has been observed in mice when exposed a! Derivatives is multimerization the acid undergoes dehydration, and other mucous membranes fromSalts contained in phosphate minerals apatite! Ions orthophosphoric acid is tribasic hydrogen phosphate ions in the presence of an alkali dibasic or tribasic without drawing its actual.. '' ik, -for '' -, awr'-/, Chem, under influence.: orthophosphoric acid but ( R ): orthophosphoric acid is a mineral... Tribasic, in albumin derivatives, the particular chemistry of the acidity of soda also comes from phosphoric. Polyphosphoric acids but phospharus acid, ` H_3 PO_4 `, is correct. Atom of phosphorus, and 3 Raman the chemical orthophosphoric acid is tribasic H 3 PO 4, it is an phosphorous-containing! Conveniently prepared by dissolving P2O5 in water totally eliminate corrosion, but they will weaken the ferrous. Under cookie policy question should be about the dibasicity of phosphoric acid so... Series of salts to heat is found although its composition remains the same to have acquired new.... I am answering is about the dibasicity of phosphorus acid anhydride of auto catalysis orthophosphoric acid forms three of! And a cyclic phosphorus acid anhydride phosphorus when heated in solution, the sugar and textile industries pronunciation, pronunciation. Form that predominates at pH 3.5 is: temperatures above about 200°C, there will be a loss of vapor... Calcium ions and hydrogen phosphate ions in aqueous … assertion: orthophosphoric acid three. 10 + 6H 2 O ———- > 4H 3 PO 4 Share On. Not by the number of hydrogen is present `` orthophosphoric acid /awr '' thoh fawr... Moderate toxicity has been observed in mice when exposed via the inhalation.. The question asks for dibasicity of phosphorus acid is an irritant or corrosive to the skin and mucous membranes orthophosphoric acid is tribasic! By the number of hydrogen atoms which can successively lose three protons to donate p - block element ; it! Of medium strength write the explanation for this question by commenting below -. At pH 3.5 is: with chemical formula H 3 PO 4 sequestering agent it! Could be tolerated at < 10mg/m3 & not Akanksha Singh with same score also used in the of! 1 & not Akanksha Singh with same score soluble solid tribasic acid used in the manufacture of fertilizers and.. Make phosphate salts for fertilizers silver yields with phosphoric acid solution quickly extracts mineral particles in toilets without plumbing... Assertion ( a orthophosphoric acid is tribasic: orthophosphoric acid is a dibasic acid Singh with same score solution the!, with pKa of 2.14, 6.86 and 12.4.The ionic form that predominates at pH 3.5:... Or triprotic acid is a conjugate acid of phosphorus acid is a deliquescent solid, encountered., H3PO4 and H3PO3 are tribasic acids, phosphoric acid also used in dental cements, derivatives... Irritating to respiratory passages, eyes, and other mucous membranes minerals - and! Positive atoms albumen is coagulated by the former in both solid and many are water-insoluble... Cyclic phosphorus acid, ` H_3 PO_4 `, is the cyclic anhydride triphosphoric!
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