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Question
Chemistry
What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid?
Q. What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid?
4073
206
The d-and f-Block Elements
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A
C
r
3
+
and
C
r
2
O
7
2
−
are formed
17%
B
C
r
2
O
7
2
−
and
H
2
O
are formed
33%
C
C
r
O
4
2
−
is reduced to
+
3
state of
C
r
33%
D
C
r
O
4
2
−
is oxidised to
+
7
state of
C
r
17%
Solution:
Dilute nitric acid converts chromate into dichromate and
H
2
O
.
