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JEE MAIN - Chemistry (2009 - No. 16)
Which of the following has an optical isomer ?
[Co(en)(NH
3
)
2
]
2+
[Co(H
2
O)
4
(en)]
3+
[Co(en)
2
(NH
3
)
2
]
3+
[Co(NH
3
)
3
Cl]
+
解释
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