We need mechanism for this I think
Actually my doubt arises from here
it doesn't affect double bond position
Can you please explain a bit more ? @Ayan_Agrawal
You are asking how the double bond position will change yet it is given that it won't affect double bond position.
Or maybe your doubt was something else?
Exactly my doubt !
What am I misinterpreting here ? @Ayan_Agrawal