Assertion: n- Buty chloride has higher boiling point than n-butyl bromide
Reason `C-CI` bond is more polar than `C-Br` bond .
A. If both assertion and reason are true and the reasone is the correct explanation of the assertion .
B. If both assertion and reason are true but reason is not the correct explanation of the assertion .
C. If assertion is true but reasone is false
D. If assertion is false but reason is true .