Question

The number of P-H bond(s) in H₃PO₂, H₃PO₃ and H₃PO₄, respectively, is 

(A) 2, 0, 1 

(B) 1, 1, 1 

(C) 2, 0, 0 

(D) 2, 1, 0

Answer 1

Correct option  (D) 2, 1, 0

Explanation:

So, H₃PO₂ , H₃PO₃ and H₃PO₄ contains 2, 1 and zero P–H bonds.