| (I) \[C{{o}^{3+}}(aq)+EDT{{A}^{4-}}\xrightarrow{{}}P\] |
| (II) \[N{{i}^{2+}}\left( aq \right)+dmg\left( excess \right)\xrightarrow{N{{H}_{4}}OH}Q\] |
| (III) \[Z{{n}^{2+}}\left( aq \right)+gly\left( excess \right)\xrightarrow{{}}R\] |
| (IV) \[P{{t}^{4+}}(aq)+en\,(excess)\xrightarrow{{}}S\] |
| which of the following complex ion/compound does not exhibit optical activity? |
A) P
B) Q
C) R
D) S
Correct Answer: B
Solution :
[b] \[N{{i}^{2+}}(aq)\] with DMG (dimethylglyoxime) form square planar complex which is obtically inactive. While \[{{[Co(EDTA)]}^{-}},{{[Zn{{(gly)}_{2}}]}^{2+}}\] and \[{{[Pt{{(en)}_{3}}]}^{4+}}\] are optically active as they do not have P.O.S.
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