SATHEE: Coordination Compounds - Result Question 75

Coordination Compounds - Result Question 75

####82. Which of the following has longest $C - O$ bond length? (Free $C - O$ bond length in $C O$ is $1.128 \AA$ )

[2016]

(a) $[N i (C O)_{4}]$

(b) $[C o (C O)_{4}]$

(d) $[M n (C O)_{6}]^{+}$

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Solution:

Since metal atom is carrying maximum $- v e$ charge therefore, it would show maximum synergic bonding as a resultant $C - O$ bond length would be maximum.

$M - C π$ bond in metal carbonyl which is formed by the donatio of an electron pair from a filled $d$ orbital of metal into the vacant anti bonding $π$ orbtial of CO, strengthen the M-C $σ$ bond. This is called synergic effect.

Coordination Compounds - Result Question 75

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Coordination Compounds - Result Question 75

Solution:

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

Test Platform

Sample Mock Test

Mentorship

NCERT Exercise Video Solution

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