Thermal decomposition of a Mn compound (X) at 513 K results in compound Y, MnO2 and gaseous product. MnO2 reacts with NaCl and concentrated H2SO4 to give a pungent gas Z. X, Y and Z, respectively, are :

Engineering

Chemistry

Dichromate and Permanganate Ion Reactions

Question

Thermal decomposition of a Mn compound (X) at 513 K results in compound Y, MnO₂ and gaseous product. MnO₂ reacts with NaCl and concentrated H₂SO₄ to give a pungent gas Z. X, Y and Z, respectively, are :

K₂MnO₄, KMnO₄ and Cl₂

KMnO₄, K₂MnO4 and Cl₂

K₂MnO₄, KMnO₄ and SO₂

K₃MnO₄, K₂MnO₄ and Cl₂

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$\underset{(X)}{{KMnO}_{4}} \to_{}^{Δ} \underset{(Y)}{K_{2} {MnO}_{4}} + {MnO}_{2} + O_{2}$

${MnO}_{2} + NaCl + H_{2} {SO}_{4} \to_{}^{} {MnSO}_{4} + \underset{(Z)}{{Cl}_{2}} + {Na}_{2} {SO}_{4} + H_{2} O$

X = KMnO₄, Y = K₂MnO4, Z = Cl₂