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Match the Column-I with Column-II

COLUMN-I
(reaction)

COLUMN-II
(Equivalent weight))
A $K M n O_{4} \overset{H^{+}}{\to} M n^{+ 2}$ p $\frac{M}{2}$
B $M g C_{2} O_{4} \overset{}{\to} M g^{+ 2} + C O_{2}$ q $\frac{M}{5}$
C $K_{2} C r_{2} O_{7} \to C r^{+ 3}$ r $\frac{M}{6}$
D $C r O_{5} \to C r^{+ 3}$ s $\frac{M}{3}$
A B C D
1              q       r          P       s
2               s       p          r       q
3               r       s                p       q
4               q       p          r        s

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answer is D.

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Detailed Solution

for potassium permanganate n factor in acidic medium is 5

for magnesium oxalate n factor is 2

for potassium dichromate n factor is 6

for chromium peroxide n factor is 3

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