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Question

How many moles of KMnO4 are required to oxidize one mole of SnCl2 in the acidic medium?

A
15
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B
25
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C
35
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D
45
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Solution

The correct option is B 25
To complete reaction, gram equivalent of both reagent should be same.
Gram eq of KMnO4 = Gram equivalent of SnCl2
moles×V.f.=moles×V.f.
moles×5=1×2
moles=.4

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