Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
In the titration of KMnO 4 and oxalic acid in acidic medium, the change in oxidation number of carbon at the end point is
Q. In the titration of
K
M
n
O
4
and oxalic acid in acidic medium, the change in oxidation number of carbon at the end point is ______
2911
0
JEE Main
JEE Main 2022
The d-and f-Block Elements
Report Error
Answer:
1
Solution:
Oxidation state of carbon changes from
+
3
to
+
4
.
2
K
M
n
O
4
+
5
H
2
C
2
O
4
+
3
H
2
S
O
4
(dil.)
→
K
2
S
O
4
+
2
M
n
S
O
4
+
10
C
O
2
+
8
H
2
O