Q.

Assertion (A): HF has lower boiling point than HCl.

Reason (R): In liquid state HF is associated through hydrogen bonding, but HCl molecules are associated through vander wal’s forces

1 Both A & R are correct and reason R is not correct explanation of A  
2 Both A & R are correct and reason R is correct explanation of A  
3 A is correct and R is not correct  
4 A is not correct and R is correct  

Ans.

(4)

HF has H.B but not HCl.