Question

Complete the given reactions.
(A) $2Mn{O}_4^{-}+H_{2}O+I^{-}\to 2(i)+2O{H}^{-}+I{O}_3^{-}$
(B) $Mn{O}_4+5F{e}^{2+}+8H^{+}\to (ii)+5(iii)+4H_{2}O$

	(i)	(ii)	(iii)
(a)	$Mn{O}_2$	$M{n}^{2+}$	$F{e}^{3+}$
(b)	$M{n}^{2+}$	$Mn{O}_2$	$F{e}^{3+}$
(c)	$Mn{O}_2$	$Mn{O}_4^{2-}$	$Fe(OH{)}_3$
(d)	$Mn{O}_4^{2-}$	$M{n}^{2+}$	$F{e}_2{O}_3$

• A. a
• B. b
• C. c
• D. d

Answer 1

Answer: (A)

$2Mn{O}_4^{-}+H_{2}O+I^{-}\to 2Mn{O}_2+2O{H}^{-}+I{O}_3^{-}$
$Mn{O}_4^{-}+5F{e}^{2+}+8H^{+}\to M{n}^{2+}+5F{e}^{3+}+4H_{2}O$