pBlock ElementsII - Result 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

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Solution:

  1. The structure of $H _3 PO _2$ (hypophosphorous) acid is

Due to the presence of two $P-H$ bonds, $H _3 PO _2$ acts a strong reducing agent. e.g.



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