Q. The oxidation state of $P$ in $H_{3} P O_{3}$ is

2162 285 JIPMERJIPMER 2016The p-Block Elements - Part2 Report Error

A

+1

5%

B

+3

79%

C

-3

5%

D

+5

12%

Solution:

Let oxidation state of P be $x$ . $∴ 3 + x + 3 (- 2) = 0 \Rightarrow x = + 3$