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JEE Main Chemistry question

ChemistryHaloalkanes and HaloarenesJEE Main

Ethene . How many substituents (halogen atoms) are present in the final product ?

Answer: 2

Solution

Cl addition gives 1,2-dichloroethane (). Excess NaNH performs a double dehydrohalogenation, regenerating acetylene (). A single Markovnikov addition of HCl gives

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Question ID VK-142895