NEET Sample Paper NEET Sample Test Paper-1

  • question_answer Which of the following does not contain P-O-P bond?

    A)  Isohypophosphoric acid

    B)  Diphosphorus acid

    C)  Diphosphoric acid

    D)  Hypophosphoric acid

    Correct Answer: D

    Solution :

    Isohyposphoric acid \[({{H}_{4}}{{P}_{2}}{{O}_{6}})\] \[H-\underset{OH}{\mathop{\overset{O}{\mathop{\overset{||}{\mathop{\underset{|}{\mathop{P}}\,}}\,}}\,}}\,-O-\underset{OH}{\mathop{\overset{O}{\mathop{\overset{||}{\mathop{\underset{|}{\mathop{P}}\,}}\,}}\,}}\,-OH\] Diphosphorus acid \[({{H}_{4}}{{P}_{2}}{{O}_{5}})\] \[H-\underset{OH}{\mathop{\overset{O}{\mathop{\overset{||}{\mathop{\underset{|}{\mathop{P}}\,}}\,}}\,}}\,-O-\underset{OH}{\mathop{\overset{O}{\mathop{\overset{||}{\mathop{\underset{|}{\mathop{P}}\,}}\,}}\,}}\,-OH\] Diphosphoric acid \[({{H}_{4}}{{P}_{2}}{{O}_{7}})\]                 Hypophosphoric acid \[({{H}_{4}}{{P}_{2}}{{O}_{6}})\]                

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