What is A?
Cis - 2 - butene
Trans - 2 - butene
1 - butene
Butene
As we learnt in
Reaction of alkyl halide with KOH (alc) -
- elimination reaction take place and produces alkenes.
- wherein
Potassium tertiary butoxide is bulky base, hence, show anti-elimination reaction
Option 1)
Cis - 2 - butene
Option is incorrect
Option 2)
Trans - 2 - butene
Option is incorrect
Option 3)
1 - butene
Option is correct
Option 4)
Butene
Option is incorrect