Statement-2 : Additional electron is repelled more efficiently by 3p electron in Cl atom than

by 2p electron in F atom. (A)

Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement 1.

(B) Statement-1 is true, statement-2 is true and statement-2 is NOT the correct explanation for

statement‑1.

(C) Statement-1 is true, statement-2 is false.

(D) Statement-1 is false, statement-2 is true.

[JEE 2000]

$(\mathrm{A}) \mathrm{N}<\mathrm{Be}<\mathrm{B}$

(B) $\mathrm{F}^{-}<\mathrm{O}^{2-}<\mathrm{N}^{3-}$

(C) $\mathrm{Na}<\mathrm{Li}<\mathrm{K}$

$(\mathrm{D}) \mathrm{Fe}^{3+}<\mathrm{Fe}^{2+}<\mathrm{Fe}^{4+}$

[JEE 2000]

[JEE 2001]

(A) K > Na > Li

(B) Be > Mg > Ca

(C) B > C > N

(D) Fe > Si > C

[JEE 2001]

(A) $\mathrm{Li}^{-}$

(B) $\mathrm{Be}^{-}$

(C) $\mathrm{B}^{-}$

(D) $\mathrm{C}^{-}$

[JEE 2016]

(A) Al < Ga < In < Tl

(B) Ga < Al < In < Tl

(C) Al < In < Ga < Tl

(D) Al < Ga < Tl < In

[JEE 2016]

(A) $\mathrm{Cr}_{2} \mathrm{O}_{3}, \mathrm{BeO}, \mathrm{SnO}, \mathrm{SnO}_{2}$

(B) $\mathrm{Cr}_{2} \mathrm{O}_{3}, \mathrm{CrO}, \mathrm{SnO}, \mathrm{PbO}$

(C) $\quad \mathrm{ZnO}, \mathrm{Al}_{2} \mathrm{O}_{3}, \mathrm{PbO}, \mathrm{PbO}_{2}$

(D) $\mathrm{NO}, \mathrm{B}_{2} \mathrm{O}_{3}, \mathrm{PbO}, \mathrm{SnO}_{2}$

[JEE 2017]