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Hydroboration Oxidation

A compound is...

Question

A compound is heated with zinc dust and ammonium chloride followed by addition of the Tollen's reagent. Formation of silver mirror indicates the presence of following group?

A

- N O_{2}

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B

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C

- C H O

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D

N H_{2}

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Solution

The correct option is A $- N O_{2}$
When nitro benzene heated with zinc dust and ammonium chloride followed by addition of ammonical silver nitrate, the formed silver mirror indicates the compound is having an amino group in it.

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For the purpose of systematic qualitative analysis, cations are classified into various groups on the basis of their behaviour against some reagents. The group reagents used for the classification of most common cations are hydrochloric acid. hydrogen sulphide, ammonium hydroxide, and ammonium carbonate.
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