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JEE Main202131 Aug 2021Evening ShiftChemistryHaloalkanes and HaloarenesActual

The major product of the following reaction is :

Correct answer

1

Step-by-step solution

NaOH   and   C 2 H 5 OH is alcoholic   NaOH which is used for dehydrohalogenation of alkenes. This beta elimination is anti-elimination and Saytzeff alkene (more stable) is major product. In the given reaction, more stable conjugated alkene is formed as major product. Note : There is ambiguity in answer given by NTA which is 4 .

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