Phenol and benzoic acid can be distinguished by:

aqueous

N a H C O_{3}

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aqueous

N a N O_{3}

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aqueous

N a O H

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conc.

H_{2} S O_{4}

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Solution

The correct option is C aqueous $N a H C O_{3}$
PhenoI and benzoic acid can be distinguished by aqueous $N a H C O_{3}$ .
Phenols are very weak acids. They do not react with weak bases such as sodium hydrogen carbonate.
Benzoic acid is a strong acid. It reacts with sodium hydrogen carbonate to give effervescence of carbon dioxide gas.
$C_{6} H_{5} O H + N a H C O_{3} \to no reaction$
$P h C O O H + N a H C O_{3} \to P h C O O N a + H_{2} O + C O_{2} ↑$

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Similar questions

N a_{2} C O_{3}

N a H C O_{3}

Aqueous solution of lead and zinc nitrate can be distinguished using an aqueous solution of ammonia. Give reasons.

The compound that does not liberate CO₂, on treatment with aqueous NaHCO₃solution , is:

N a H C O_{3}

C O_{2}

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