(A) The boiling points of alkyl halides decrease in the order RI > RBr > RCI > RF
(R) The boiling points of alkyl halides are considerably higher than those of the hydrocarbons of comparable molecular mass. 

Options

A. Both (A) and (R) are correct and (R) is the correct explanation of (A)
B. Both (A) and (R) are correct but (R) is not the correct explanation of (A)
C. (A) is True but (R) is False
D. Both (A) and (R) are false

Answer

B