A xrightarrow 4KOH, O2 2 underset text (Green) underlineB + 2 H2O 3 underlineB xrightarrow4 HCl underset text (Purple) 2 underlineC + MnO2 + 2H2O 2 underlineB xrightarrow H2 O, KI 2 underlineA + 2 KOH + underlineD In the above sequence of reactions, underlineA and underlineD respectively, are :-

Question

A xrightarrow 4KOH, O2 2 underset text (Green) underlineB + 2 H2O 3 underlineB xrightarrow4 HCl underset text (Purple) 2 underlineC + MnO2 + 2H2O 2 underlineB xrightarrow H2 O, KI 2 underlineA + 2 KOH + underlineD In the above sequence of reactions, underlineA and underlineD respectively, are :- (A) KIO3 and MnO2 (B) KI and K2 MnO4 (C) MnO2 and KIO3 (D) KI and K MnO4

Tardigrade Admin · Accepted Answer

MnO 2( A ) xrightarrow4 KOH , O 2 2 K 2 MnO 4( B )+2 H 2 O ( Green ) 3 K 2 MnO 4( B ) xrightarrow4 HCl 2 KMnO 4( C )+2 H 2 O (Purple) 2 KMnO 4( C ) xrightarrow H 2 O , Kl 2 MnO 2( A )+2 KOH + KIO 3( D ) A arrow MnO 2 D arrow KIO 3

Q. $A 4 K O H, O_{2} 2 (Green) \underline{B} + 2 H_{2} O$
$3 \underline{B} 4 H Cl (Purple) 2 \underline{C} + M n O_{2} + 2 H_{2} O$
$2 \underline{B} H_{2} O, K I 2 \underline{A} + 2 K O H + \underline{D}$ In the above sequence of reactions, $\underline{A}$ and $\underline{D}$ respectively, are :-

$K I O_{3}$ and $M n O_{2}$

KI and $K_{2} M n O_{4}$

$M n O_{2}$ and $K I O_{3}$

KI and $K M n O_{4}$

$M n O_{2} (A) 4 K O H, O_{2} 2 K_{2} M n O_{4} (B) + 2 H_{2} O$
$($ Green $)$
$3 K_{2} M n O_{4} (B) 4 H Cl 2 K M n O_{4} (C) + 2 H_{2} O$
(Purple)
$2 K M n O_{4} (C) H_{2} O, K l 2 M n O_{2} (A) + 2 K O H +$
$K I O_{3} (D)$
$A \to M n O_{2}$
$D \to K I O_{3}$

Q. A4KOH,O2​​2 (Green)B​​+2H2​O 3B​4HCl​ (Purple)2C​​+MnO2​+2H2​O 2B​H2​O,KI​2A​+2KOH+D​ In the above sequence of reactions, A​ and D​ respectively, are :-

KIO3​ and MnO2​

KI and K2​MnO4​

MnO2​ and KIO3​

KI and KMnO4​