Give test to differentiate (Bromobenzene) Ph - Br and benzyl bromide $(P h C H_{2} B r)$ .

aq.

K O H, N a

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A g N O_{3}

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K M n O_{4}

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All these

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Solution

The correct option is D All these

(a) With aqueous $K O H$
(Refer to Image 1)
$H_{2}$ will evolve with $P h - C H_{2} B r$ not with $P h - B r$ .
(b) (Refer to Image 2)
Thus $P h - C H_{2} - B r$ form $A g B r$ with $A g N O_{3}$ while $P h - B r$ do not react.
(c) (Refer to Image 3)
Thus all the reagents give test with $P h - C H_{2} - B r$ but not with $P h - B r$ .

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