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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2010
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Q)
Which one of the following has an optical isomer ?
( A )
[
Z
n
(
e
n
)
(
N
H
3
)
2
]
2
+
( B )
[
C
o
(
H
2
O
)
4
(
e
n
)
]
3
+
( C )
[
C
o
(
e
n
)
3
]
3
+
( D )
[
Z
n
(
e
n
)
2
]
2
+
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