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Which of the following carbonyls will have the strongest C – O bond
Options
(a) Mn(CO)₆⁺
(b) Cr(CO)₆
(c) V(CO)₆⁻
(d) Fe(CO)₅
Correct Answer:
Mn(CO)₆⁺
Explanation:
The presence of positive charge on the metal carbonyl would resist the flow of the metal electron charge to π*-orbitals of CO. This would increase the CO bond order and hence CO in a metal carbonyl cation would absorb at a higher frequency compared to its absorption in a neutral metal carbonyl.
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Topics: Coordination Compounds
(87)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which is purified by steam distillation
- Fischer-Tropsch process is used in the manufacture of
- PV/T= Constant. A real gas will behave as ideal gas
- The indicator used in the titration of iodine against sodium thiosulphate is
- Dimethyl terephthalate and ethylene glycol react to form
Topics: Coordination Compounds (87)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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