Some Basic Concepts of Chemistry - Result Question 80

####18. The number of moles of KMnO4 that will be needed to react completely with one mole of ferrous oxalate in acidic medium is

(1997)

(a) 25

(b) 35

(c) 45

(d) 1

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Solution:

  1. From the formula, Mf=M1V1+M2V2V1+V2

Given, V1=750mL,M1=0.5M

V2=250mL,M2=2M =750×0.5+250×2750+250=8751000=0.875M



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