A 3SO2(g)+K2Cr2O7(aq)+H2SO4(aq) → K2SO4(aq)+Cr2(SO4)3(aq)+H2O
B Cu(s) +2H2SO4(l) → CuSO4(aq) + 2H2O (l) + SO2(g)
C Pb(CH3COO)2(aq) +H2S(g)→ 2CHCOOH(aq) +PbS(s) + H2O(l)
D Al2O3(s) + 2NaOH (aq) → 2NaAlO2(aq) +H2O(l)
Correct Answer: Option C
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