Assertion: Boiling point decreases from lithium to Cs among elements of group 1. Reason: The configuration of the elements of group 1 is ns^1 when n varies from 1 to 7.

Assertion: Boiling point decreases from lithium to Cs among elements o

1.	Assertion: Boiling point decreases from lithium to Cs among elements of group 1. Reason: The configuration of the elements of group 1 is ns^1 when n varies from 1 to 7.
Answer» Both A and B true and R is the correct EXPLANATION A Both A and R are true but R is not a correct explanation of A A is true but R is FALSE A is false but R is true Answer :B