Which of the following reaction is an elimination reaction?

{C H}_{3} - {C H}_{2} - {C H}_{2} - O H_{3} {C H}_{3} - {C H}_{2} - {C H}_{2} - C I

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{C H}_{2} | B r - {C H}_{2} | B r_{Z n} {C H}_{2} = {C H}_{2} + Z n B r_{2}

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{C H}_{2} - C H - {C H}_{3} | C I_{A l c . K O H} {C H}_{3} - C H = C H_{2}

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{C H}_{3} - C ∥ O - O H_{{C H}_{3} O H} {C H}_{3} - C ∥ O = {O C H}_{3}

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both b and c are correct

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Solution

The correct option is B both b and c are correct
Option B involve the elimination of $B r_{2}$ molecule and result in formation of alkene.
Option C involve the formation of alkene from the alkyl halide is an example of elimination reaction, as it involves the elimination of HCl molecule.
Both B and C are correct answer.

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