Q.

Which of the following is an oxidation and reduction reaction?

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a

BaO2+H2SO4→BaSO4+H2O2

b

N2O5+H2O→2HNO3

c

AgNO3+KI→AgI+KNO3

d

SnCl2+HgCl2→SnCl4+Hg

answer is D.

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Detailed Solution

Ba+2O-22+H2S+6O4→Ba+2S+6O4+H2O-12Not a redox reactionN+52O-25+H+12O-2→2H+1N+5O-23Not a redox reactionAg+1N+5O-23+K+1 I-1→Ag+1 I-1+K+1N+5O-23Not a redox reactionSn+2Cl2+Hg+2Cl2→Sn+4Cl4+Hg0Redox reaction
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