Reason (R) : The boiling point decreases with increase in branching as the molecule becomes compact and the area of contact decreases.
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 correct but (R) is wrong.
D. (A) is wrong but (R) is correct.
Answer:A
Reason (R) : The boiling point decreases with increase in branching as the molecule becomes compact and the area of contact decreases.
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 correct but (R) is wrong. D. (A) is wrong but (R) is correct.