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Question

In the redox reaction

xMnO +yPbO2+zHNO3HMnO4 +Pb(NO3)2 +H2O


A

X = 2,Y =5, Z= 10

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B

x =2, y = 7, z=8

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C

x= 2, y =5 , z=8

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D

x=2, y =5 , z=5

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Solution

The correct option is A

X = 2,Y =5, Z= 10


3H2O+MnO[MnO4]6H+ +5e (1)×2

2+4H++PbO2 Pb+2+2H2O (11)×5

2MnO+5PbO2+gH+ 2MnO4+ 5Pb+2+4H2O

2MnO +5PbO2+10HNO3 2 HMnO4+ 5Pb(NO3)2+4H2O


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