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Solution


Q.

The one giving maximum number of isomeric alkenes on dehydrohalogenation reaction is (excluding rearrangement)    [2023]
1 2-Bromo-3,3-dimethylpentane  
2 2-Bromopropane  
3 2-Bromopentane  
4 1-Bromo-2-methylbutane  

Ans.

(3)

Dehydrohalogenation is molecular emanation reaction.