When Malonic Acid Is Dehydrated Using P4O10 At 150oC ... - Vedantu

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AnswerQuestion Answers for Class 12Class 12 BiologyClass 12 ChemistryClass 12 EnglishClass 12 MathsClass 12 PhysicsClass 12 Social ScienceClass 12 Business StudiesClass 12 EconomicsQuestion Answers for Class 11Class 11 EconomicsClass 11 Computer ScienceClass 11 BiologyClass 11 ChemistryClass 11 EnglishClass 11 MathsClass 11 PhysicsClass 11 Social ScienceClass 11 AccountancyClass 11 Business StudiesQuestion Answers for Class 10Class 10 ScienceClass 10 EnglishClass 10 MathsClass 10 Social ScienceClass 10 General KnowledgeQuestion Answers for Class 9Class 9 General KnowledgeClass 9 ScienceClass 9 EnglishClass 9 MathsClass 9 Social ScienceQuestion Answers for Class 8Class 8 ScienceClass 8 EnglishClass 8 MathsClass 8 Social ScienceQuestion Answers for Class 7Class 7 ScienceClass 7 EnglishClass 7 MathsClass 7 Social ScienceQuestion Answers for Class 6Class 6 ScienceClass 6 EnglishClass 6 MathsClass 6 Social ScienceQuestion Answers for Class 5Class 5 ScienceClass 5 EnglishClass 5 MathsClass 5 Social ScienceQuestion Answers for Class 4Class 4 ScienceClass 4 EnglishClass 4 MathsWhen malonic acid is dehydrated using \[{P_4}{O_{10}}\] at \[{150^o}C\], species formed has total number of atoms ________AnswerVerified576k+ viewsHint: An acid anhydride of malonic acid is formed on dehydration of malonic acid with \[{{\text{P}}_{\text{4}}}{{\text{O}}_{{\text{10}}}}\], which is used as a source of carbon. It is also a stable member of linear oxocarbons \[O{\text{ }} = {\text{ }}{C_n} = {\text{ }}O\].Complete step by step answer:When malonic acid reacts with phosphorus pentoxide, it produces pyrophosphoric acid and tricarbon dioxide.Here is the chemical equation representing the reaction occurred-\[2C{H_2}{(COOH)_2}{\text{ }} + {\text{ }}{P_4}{O_{10}}{\text{ }} \to {\text{ }}2{H_4}{P_2}{O_7}{\text{ }} + {\text{ }}2{C_3}{O_2}\]The tricarbon dioxide formed is also known as carbon suboxide. It is a linear and symmetrical molecule, a stable member of linear oxocarbons, represented as \[O{\text{ }} = {\text{ }}C{\text{ }} = {\text{ }}C{\text{ }} = {\text{ }}C = {\text{ }}O\]It is an acid anhydride of malonic acid i.e. produces acid when reacted slowly with water. It decomposes by the process of photolysis to form ketene, \[{C_2}O\], which is a very reactive molecule. Hence, the total number of atoms present in carbon suboxide are 5.Note:Other than malonic acid, carbon suboxide is also formed during heme oxidation by heme oxygenase-1 enzyme. It can undergo polymerization into macrocyclic polycaron structures with \[{({C_3}{O_2})_n}\] the common formula.Recently Updated PagesMaster Class 12 Business Studies: Engaging Questions & Answers for SuccessMaster Class 12 Economics: Engaging Questions & Answers for SuccessMaster Class 12 English: Engaging Questions & Answers for SuccessMaster Class 12 Maths: Engaging Questions & Answers for SuccessMaster Class 12 Social Science: Engaging Questions & Answers for SuccessMaster Class 12 Chemistry: Engaging Questions & Answers for SuccessMaster Class 12 Business Studies: Engaging Questions & Answers for SuccessMaster Class 12 Economics: Engaging Questions & Answers for SuccessMaster Class 12 English: Engaging Questions & Answers for SuccessMaster Class 12 Maths: Engaging Questions & Answers for SuccessMaster Class 12 Social Science: Engaging Questions & Answers for SuccessMaster Class 12 Chemistry: Engaging Questions & Answers for Success

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