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Solution


Q.

The major product formed in dehydrohalogenation reaction of 2-bromopentane is pent-2-ene. This product formation is based on         [2021]
1 Huckel’s Rule  
2 Saytzeff’s Rule  
3 Hund’s Rule  
4 Hofmann Rule  

Ans.

(2)

It is an example of β-elimination, as the major product is 2-pentene (more substituted) not 1-pentene, hence it follows Saytzeff’s rule.