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Dehalogenation of Vicinal Dihalide

The process t...

Question

The process through conversion of 2,3-dibromobutane to 2-butene with Zn dust takes place:

Dehydrogenation

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Dehydrohalogenation

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Dehalogenation

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Denaturation

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Solution

The correct option is C Dehalogenation
Zn dust brings dehalogenation of 2,3−Dibromopentane to give but−2−ene
$C H_{3} - B r | C | H - B r | C | H - C H_{3} Z n / d u s t - ---- \to △ C H_{3} - C H = C H - C H_{3}$

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Assertion : Addition of bromine to trans-2-butene yields meso-2, 3-dibromobutane

Reason : Bromine addition to an alkene is an electrophilic addition.

2, 3 - d i m e t h y l - 1 - b u t e n e

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Explain via mechanism and then choose the correct ones from the following.

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