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JEE Main Chemistry Class 11 Redox Reactions Questions
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© examsnet.com
Question : 41
Total: 79
0.01
M
KMnO
4
solution was added to
20.0
mL
of
0.05
M
Mohr
s salt solution through a burette. The initial reading of
50
mL
burette is zero. The volume of
KMnO
4
solution left in the burette after the end point is _____
mL
. (nearest integer)
[28-Jun-2022-Shift-2]
Your Answer:
Validate
Solution:
Meq of oxidizing agent
=
Meq of reducing agent
(
M
×
V
×
n
F
)
KMnO
4
=
(
M
×
V
×
n
F
)
Mohr
′
salt
0.01
×
20
×
5
=
0.05
×
V
×
1
Volume required
=
20
ml
Since initial volume of
KMnO
4
in burette is
50
ml
.
Hence volume of
KMnO
4
left in the burette after end point is
30
ml
.
© examsnet.com
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