The number of moles of potassium salt, i.e., KHC2O4⋅H2C2O4⋅2H2O oxidized by one mole of permanganate ion is :
A
25
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B
45
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C
1
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D
54
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Solution
The correct option is D54 The reaction is as follows: KHC2O4.H2C2O4+KMnO4→Mn+2+CO2 +3 +3 +7 +2 +4 So, one mole of KMnO4 oxidises 54 moles of potassium salt.