First slide

Equivalent weights

Question

n-factor of Mohr's salt as reductant in acidic medium is ‘X’. n-factor of ferrous oxalate as reductant in acidic medium is ‘Y’. Sum of X and Y is

Moderate

A

5
B

6
C

3
D

4

Solution

In Mohr's Salt
Fe⁺² $\to$ Fe⁺³ n - factor = 1(x)
In Ferrous Oxalate
Fe⁺² $\to$ Fe⁺³ n - factor = 1
C₂O₄^-2 $\to$ CO₂ n -factor = 2
Total n - factor = 1 +2 =3(y)
x + y = 1+3 =4

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