Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
Potassium manganate (K2MnO4) is formed when
Q. Potassium manganate
(
K
2
M
n
O
4
)
is formed when
2226
224
IIT JEE
IIT JEE 1988
The d-and f-Block Elements
Report Error
A
chlorine is passed into aqueous
K
M
n
O
4
solution
12%
B
manganese dioxide is fused with
K
O
H
in air
47%
C
formaldehyde reacts with potassium permanganate in the presence of strong alkali
26%
D
potassium permanganate reacts with conc.
H
2
S
O
4
24%
Solution:
2
K
O
H
+
M
n
O
2
+
O
2
Δ
K
2
M
n
O
4
+
H
2
O
H
C
H
O
+
K
M
n
O
4
+
2
K
O
H
→
K
2
M
n
O
4
+
H
2
O
+
H
COO
H