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

Answer is : (d) 2, 1, 0

The structures of given compounds can be drawn as follows :

Thus, the number of P– H bond(s) in H₃PO₂, H₃PO₃ and H₃PO₄ respectively are 2, 1, 0.