question_answer

The pair that contains two \[P-H\] bonds in each of the oxoacids is: [JEE Main Online Paper (Held On 10-Jan-2019 Evening]

A) \[{{H}_{3}}P{{O}_{2}}\text{ }and\text{ }{{H}_{4}}{{P}_{2}}{{O}_{5}}\]                

B) \[{{H}_{4}}{{P}_{2}}{{O}_{5}}\text{ }and\text{ }{{H}_{4}}{{P}_{2}}{{O}_{6}}\]

C) \[{{H}_{4}}{{P}_{2}}{{O}_{5}}\,and\,{{H}_{3}}P{{O}_{3}}\]                      

D) \[{{H}_{3}}P{{O}_{3}}\] and \[{{H}_{3}}P{{O}_{2}}\]

Correct Answer: A

Solution :

Both contain 2 p-H bonds.