Question

The number of $P-H$ bond(s) in $H_{3}P{O}_2$, $H_{3}P{O}_3$ and $H_{3}P{O}_4$ respectively, is:

• A. $2,0,1$
• B. $1,1,1$
• C. $2,0,0$
• D. $2,1,0$

Answer 1

The correct option is D $2,1,0$

The number of P−H bonds in $H_{3}P{O}_2$, $H_{3}P{O}_3$ and $H_{3}P{O}_4$ is $2,1,0$ respectively.