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JEEMAIN and NEET
>>
JEEMAIN PAST PAPERS
>>
2014
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Q)
The equation which is balanced and represents the correct product(s) is:
( A )
C
u
S
O
4
+
4
K
C
N
→
K
2
[
C
u
(
C
N
)
4
]
+
K
2
S
O
4
( B )
[
M
g
(
H
2
O
)
6
]
2
+
+
(
E
D
T
A
)
4
−
e
x
c
e
s
s
N
a
O
H
→
[
M
g
(
E
D
T
A
)
]
2
+
+
6
H
2
O
( C )
L
i
2
O
+
2
K
C
l
→
2
L
i
C
l
+
K
2
O
( D )
[
C
o
C
l
(
N
H
3
)
5
]
+
+
5
H
+
→
C
o
2
+
+
5
N
H
+
4
+
C
l
−
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