Above compounds can be differentiated by the salicylate. Which of the following chemical test? (used in decreasing order)

N a O H, F e C I_{3}, N a H C O_{3}

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a q . N a H C O_{3}, F e C l_{3}, N a O H

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N a O I, N a O H, N a H C O_{3}

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N a O H, N a, N a H C O_{3}

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Solution

The correct option is B $a q . N a H C O_{3}, F e C l_{3}, N a O H$
$a q . N a H C O_{3}$ reacts only with $- C O O H$ and $F e C l_{3}$ is a Lewis acid is able to produce $H^{+}$ through hydrolysis and $N a O H$ ( strong base) it can reach with $p h - O H$ group can make phenoxide - ion.

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