Q.

Assertion: An aqueous solution of acid conducts electricity.
Reason: It is because in the solution it dissociates into ions.

1 Both assertion and reason are correct and reason is the correct explanation of assertion.  
2 Both assertion and reason are correct but reason is not the correct explanation of assertion.  
3 Assertion is true, but reason is false.  
4 Assertion is false, but reason is true  

Ans.

(1)

Acids dissociate in their aqueous solutions to form ions. These ions are responsible for conduction of electricity.