SATHEE: pBlock ElementsII 1 Question 7

pBlock ElementsII 1 Question 7

7. Good reducing nature of $H_{3} {PO}_{2}$ is attributed to the presence of

(a) two $P - H$ bonds

(b) one $P - H$ bond

(c) two $P - OH$ bonds

(d) one $P - OH$ bond

Show Answer

Answer:

Correct Answer: 7. (a)

Solution:

The structure of $H_{3} {PO}_{2}$ (hypophosphorous) acid is

alt text

Due to the presence of two $P - H$ bonds, $H_{3} {PO}_{2}$ acts a strong reducing agent. e.g.

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