Question

I.
1.
Assertion and Reason type questions :
Assertion (A): Shielding effect increases as we go down the group.
Reason (R) : More is the number of electrons in the penultimate shell, more is shielding
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true and R is not correct explanation of A
c) A is correct and R is incorrect
d) A is incorrect and R is correct.​

Answer 1

Answer:

option a is the best answer

Answer 2

Explanation:

A . BECAUSE ,THE LARGER NO. OF ELECTRONS PREVENT ANY OUTER INTERFERENCE ,AS DUE TO LARGE ATOMIC SIZE IT BECOME HARDER FOR FORMING COMPOUND AND OTHER ELEMENTS.