(A) : Salts of Mg does not impart any colour to the flame (R): Due to small size and high effective nuclear charge, 'Mg' requires a large amount of energy for excitation of electrons.

(A) : Salts of Mg does not impart any colour to the flame (R): Due to

1.	(A) : Salts of Mg does not impart any colour to the flame (R): Due to small size and high effective nuclear charge, 'Mg' requires a large amount of energy for excitation of electrons.
Answer» Both A and R are correct and R is the correct EXPLANATION of A. Both A and R are correct but R is not the correct explanation of A. A is True but R is FALSE. R is False but A is True. ANSWER :A