In the reaction C7H8X Y Z-The compound Z is -

The correct option is B m bromotoluene Z #160;is m bromotoluene. #160;Toluene is heated with chlorine to form (trichloromethyl)benzene. The aromatic n ...

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Standard XII

Chemistry

Electrophilic Substitution Reactions of Haloarenes

In the reacti...

Question

In the reaction $C_{7} H_{8} 3 C l_{2} / Δ - --- \to X B r_{2} / F e - --- \to Y Z n / H C l - ---- \to Z$ .

The compound $Z$ is :

o-bromotoluene

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m-bromotoluene

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p-bromotoluene

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3-bromo-2, 2, 6-trichlorotoluene

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Solution

The correct option is B m-bromotoluene
$Z$ is m-bromotoluene.

Toluene is heated with chlorine to form (trichloromethyl)benzene. The aromatic nucleus is then brominated with bromine in presence of iron to form 1-bromo-3-(trichloromethyl)benzene.

Treatment with $Z n / H C l$ gives m-bromotoluene (compound $Z$ ).

So, option B is correct.

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In the reaction C7H83Cl2/Δ−−−−→XBr2/Fe−−−−→YZn/HCl−−−−−→Z.The compound Z is :

In the reaction $C_{7} H_{8} 3 C l_{2} / Δ - --- \to X B r_{2} / F e - --- \to Y Z n / H C l - ---- \to Z$ .

The compound $Z$ is :