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Tardigrade
Question
Chemistry
Copper sulphate solution reacts with KCN to give
Q. Copper sulphate solution reacts with
K
CN
to give
1637
199
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A
C
u
(
CN
)
2
B
C
u
CN
C
K
2
[
C
u
(
CN
)
4
]
D
K
3
[
C
u
(
CN
)
4
]
Solution:
CuSO
X
4
+
2
KCN
Cu
(
CN
)
X
2
+
K
X
2
SO
X
4
2
Cu
(
CN
)
X
2
Cu
X
2
(
CN
)
X
2
or
2
CuCN
+
cyanogen
CN
−
CN
CuCN
X
+
3
KCN
K
X
3
colourless
[
Cu
(
CN
)
X
4
]