Question

Match column I with column II and mark the appropriate choice.

	Column I		Column II
(A)	Li	(i)	$M_{2}O_{2}$
(B)	Na	(ii)	$MO_{2}$
(C)	Rb	(iii)	$M_{2}O$

• A. (1)$\rightarrow$ (i), (2) $\rightarrow$ (ii), (3) $\rightarrow$ (iii)
• B. (1) $\rightarrow$ (iii), (2) $\rightarrow$ (ii), (3) $\rightarrow$ (i)
• C. (1) $\rightarrow$ (iii), (2) $\rightarrow$ (i), (3) $\rightarrow$ (ii)
• D. (1) $\rightarrow$ (ii), (2) $\rightarrow$ (iii), (3) $\rightarrow$ (i)

Answer 1

Answer: (C)

(1) $\rightarrow$ (iii), (2) $\rightarrow$ (i), (3) $\rightarrow$ (ii)

Answer 2

: Li forms $Li_{2}O,$ Na forms $Na_{2}O_{2},$ K, Rb and Cs form $KO_{2},RbO_{2},CsO_{2}.$