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Dehalogenation of Vicinal Dihalide

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Question

Write the product(s) formed when
(i) 2-Bromopropane undergoes dehydrohalogenation reaction.
(ii) Chlorobenzene undergoes nitration reaction.
(iii) Methylbromide is treated with $K C N$

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Solution

(i) $C H_{3} - C H (B r) C H_{3} d e h y d r o h a l o g e n a t i o n (a l c . K O H) - ------------------ \to C H_{3} - C H = C H_{2}$
2-Bromopropane Propene
(ii) Refer Image
(iii) $C H_{3} B r + K C N \to C H_{3} C N + K B r$

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Dehalogenation of Vicinal Dihalide

Standard XII Chemistry

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