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Question

Dichromate ion in acidic medium oxidizes stannous ion as

xSn2++yCr2O27+zH+aSn4++bCr3++cH2O then


A

The value of x : y is 1 : 3

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B

The value of x + y + z is 18

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C

a : b is 3 : 2

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D

the value of z- c is 7

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Solution

The correct options are
B

The value of x + y + z is 18


C

a : b is 3 : 2


D

the value of z- c is 7


3Sn2++1Cr2O27+14H+3Sn4++2Cr3++7H2O


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