Given below are two statement one is labelled as Assertion A

Last updated: 7/4/2023

Given below are two statement one is labelled as Assertion A and the other is labelled as Reason R Assertion A Size of Bk ion is less than Np ion Reason R The above is a consequence of the lanthanoid contraction In the light of the above statements choose the correct answer from the options given below 1 A is false but R is true 2 Both A and R are true but R is not the correct explanation of A 3 Both A and R are true and R is the correct explanation of A 4 A is true but R is false