Q.

Assertion: H2O and HCl form solution which shows negative deviation from Raoult’s law

Reason: If interactions become stronger on mixing, then solutions show negative deviation from Raoult’s law

1 Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).  
2 Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).  
3 Assertion (A) is true and Reason (R) is false.  
4 Assertion (A) is false and Reason (R) is true.  

Ans.

(1)

both correct and correct explanation