p-Block elementsMedium

Question

S2 and SO32- can be distinguished by using

Options

A.(CH3COO)2Pb
B.Na2[Fe(CN)5NO]
C.both (a) and (b)
D.None of the

Solution

S∠- + [CH3COO)2 Pb → Pbs ↓ + 2CH3COO-
                                          black
S∠- +[Fe(CN)5NO]2- → [Fe(CN)5NOS]4-
                                                  violet
ThusS2- and SO32- can be distinguished by using both the given reagents.

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