Question

Boran and aluminium m 5 antar hindi m

Answer 1

Answer:

A

Both B and Al have smaller size as compared to others members of the family.

B

Both B and Al have high value of ionization energy

C

Both B and Al have only the valence eletrons

outside the noble gas core while the reamaining elements have filled d and

in between the noble gases and the valance electrons

D

None of the above.

Answer

C

Solution

The difference in properties of B and Al from the remaining members of group 13 is due to the difference in their electromagnetic configuration as stated