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Question

The following some statements about HNO2 are :
i)It acts as both oxidising and reducing agent.
ii) It is a strong acid.
iii) Its anhydride in pure state exists as pale blue liquid
The correct combination is :

A
All are correct
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B
i, iii are correct
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C
ii, iii are correct
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D
i, ii are correct
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Solution

The correct option is B i, iii are correct
2HNO2H2ON2O3 (blue liquid)
HNO2 acts as oxidising and reducing agent.
Is a weak acid.

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