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Byju's Answer
Standard X
Chemistry
Electrolytic Dissociation
Explain elect...
Question
Explain electrolysis of concentrated aqueous solution of Nacl between graphite electrodes.
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Solution
Dear student,
When concentrated NaCl solution undergoes electrolysis, sodium hydroxide and hydrogen are produced at the cathode while chlorine is produced at the anode.
C
a
t
h
o
d
e
:
2
H
2
O
+
2
e
-
→
H
2
+
2
O
H
-
A
n
o
d
e
:
2
C
l
-
→
C
l
2
+
2
e
-
N
e
t
c
e
l
l
r
e
a
c
t
i
o
n
:
2
N
a
C
l
(
a
q
)
+
2
H
2
O
(
l
)
→
2
N
a
O
H
(
a
q
)
+
C
l
2
(
g
)
+
H
2
(
g
)
Regards
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