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Q.

Choose the correct statement(s) among the following

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a

SnCl2,2H2O is a reducing agent

b

SnO2 reacts with KOH to form K2[Sn(OH)6

c

The reaction of Pb3O4 with hot dilute nitric acid to give PbO2 is a redox reaction

d

A solution of PbCl2 in HCl contains Pb2+ and Cl- ions

answer is A, B.

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Detailed Solution

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(a) In SnCl2 .2H2O Sn is in +2 O.S which is unstable and can act as reducing agent
(b)2KOH+SnO2+2H2O → K2[Sn[OH]6]
(c) It also contain PbCl42-
 (d)It is not a redox reaction

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