P-Block Elements Ques 309

Question: Which of the following acid possesses oxidising, reducing and complex forming properties

[MNR 1985]

Options:

A) HNO3

B) H2SO4

C) HCl

D) HNO2

Show Answer

Answer:

Correct Answer: D

Solution:

HNO2 can be either reduced to nitric oxide (NO) or oxidised to nitric acid and hence it acts both as an oxidising as well as a reducing agent.

2HNO22NO+H2O+[O]

HNO2+[O]HNO3



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