Among the statement (I – IV), the correct ones are: (I) Be has smaller atomic radius compared to Mg. — JEE Mains Chemistry Past Papers Chemistry Question

Question

Among the statement (I – IV), the correct ones are: (I) Be has smaller atomic radius compared to Mg. (II) Be has higher ionization enthalpy than AI. (III) Charge/radius ratio of Be is greater than that of Al. (IV) Both Be and Al form mainly covalent compounds. (A) (II), (III) and (IV) (B) (I), (III) and (IV) (C) (I), (II) and (III) (D) (I), (II) and (IV)