First slide
Alkenes
Question

In the reaction ‘A’ and ‘B’ are 

 

Moderate
Solution

Compounds having same molecular formula but different in position of a multiple 
bond (or) a functional group are called position isomers.
 

In the above reaction 2-pentene is major according to saytzeff rule.
2-pentene and 1-pentene are differ in the position of double bond. 
Hence, option (2) is correct.

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