The conversion of 2,3-dibromobutane to 2-butene with $Z n$ is:

redox reaction

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α -

elimination

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dehalogenation

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both

α

elimination and redox reaction

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Solution

The correct option is C dehalogenation
Heating of $2, 3 - d i b r o m o b u t a n e$ with $Z n$ dust yields $2 - b u t e n e$ as shown below.
$C H_{3} - C | H - C H | - C H_{3} Zn dust - --- \to C H_{3} - C H = C H - C H_{3}$
$B r$ $B r$
It is a dehalogenation reaction.

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Similar questions

When (±)-2,3-dibromobutane reacts with $K O H$ , trans-2-bromobut-2-ene is formed. Which of the following is/are true?

B r_{2}

C C l_{4}

B r_{2}

Which of the following is an $α$ - elimination reaction?

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