Question

26. Equal volumes of 1M KMnO4 and 1M K2Cr207 solution are
allowed to oxidise Fe2+ ions to Fe3+ ions oxidised medium. The
number of moles of Fe2+ ions oxidised in the two cases are in
the ratio
(a) 1:1 (b) 3:1 (c) 5:6 (d) 6:5​

Answer 1

Answer:

n

1

M

1

V

1

=

n

2

M

2

V

2

So for Kmno

4

n

1

=5 and for K

2

Cr

2

O

7

is +3 in acidic.

So, amount of F

e

will be more by K

2

Cr

2

O

7