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Question
Chemistry
The colour of CuCr2O7 solution in water is green because ?
Q. The colour of
C
u
C
r
2
O
7
solution in water is green because ?
2503
256
The d-and f-Block Elements
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A
C
r
2
O
7
2
−
ions are green
B
C
u
2
+
ions are green
C
Both ions are green
D
C
u
2
+
ions are blue and
C
u
C
r
2
O
7
ions are yellow
Solution:
The colour of
C
u
C
r
2
O
7
solution in water is green because
C
u
2
+
ions are blue and
C
u
C
r
2
O
7
ions are yellow. A mixture of blue and yellow colours appears green