question_answer

Which of the following oxy-acids has the maximum number of hydrogens directly attached to phosphorus?

A) \[{{H}_{4}}{{P}_{2}}{{O}_{7}}\]                  

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

C) \[{{H}_{3}}P{{O}_{3}}\]                    

D) \[{{H}_{3}}P{{O}_{4}}\]

Correct Answer: B

Solution :

[b] [a] [b] [c] [d]