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Question
Chemistry
Which of the following does not used as primary standard in redox titration?
Q. Which of the following does not used as primary standard in redox titration?
1593
222
Rajasthan PET
Rajasthan PET 2003
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A
K
2
C
r
2
O
7
B
K
M
n
O
4
C
(
COO
H
)
2
D
Mohr's salt
Solution:
Mohr's salt
[
F
e
S
O
4
(
N
H
4
)
2
S
O
4
.24
H
2
O
]
is not useful as primary standard in redox titration.