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Question

Hot concentrated HNO3 converts graphite into:

A
graphite oxide
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B
benzene hexacarboxylic acid
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C
both A and B
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D
none of the above
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Solution

The correct option is B benzene hexacarboxylic acid
Nitric acid works as an oxidising agent for graphite, cold nitric acid does not react with graphite. Hot nitric acid gives graphitic acid or benzene hexacarboxylic acid C6(COOH)6

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