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The number of IR bands will be obtain in M(CO)5
- a)1
- b)2
- c)3
- d)5
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
The number of IR bands will be obtain in M(CO)5a)1b)2c)3d)5Correct ans...
Since carbonyl is π acceptor ligand so it accepts electron density from metal ion as well as as a ligand it donates electron density.At a when one carbonyl ligand donates electron density to metal,at the same time another carbonyl accept that electron density from metal.so stretching frequency of donating carbonyl decreases while the stretching frequency of accepting carbonyl increases.thus when carbonyl acts as donar,and when carbonyl acts as acceptor has two different frequencies.
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The number of IR bands will be obtain in M(CO)5a)1b)2c)3d)5Correct ans...
Explanation:
M(CO)5 is a metal carbonyl compound. In this compound, a metal is bonded to five carbon monoxide molecules through a coordinate covalent bond. The number of IR bands in M(CO)5 depends on the number of different types of CO molecules present in the compound.
Types of CO molecules:
There are two types of CO molecules present in M(CO)5:
1. Terminal CO: CO molecule bonded to a metal atom directly.
2. Bridging CO: CO molecule bonded to two metal atoms.
Number of IR bands:
The number of IR bands in M(CO)5 depends on the number of different types of CO molecules present in the compound. The number of different types of CO molecules is determined by the number of bridging CO molecules present in the compound.
In M(CO)5, there are two types of CO molecules present:
- Terminal CO: One CO molecule is bonded to a metal atom directly. This gives rise to one IR band.
- Bridging CO: Two CO molecules are bonded to two metal atoms. This gives rise to one IR band.
Therefore, the total number of IR bands in M(CO)5 is two.
Conclusion:
The correct option is (B) 2, as there are two types of CO molecules present in M(CO)5, giving rise to two IR bands.
M(CO)5 is a metal carbonyl compound. In this compound, a metal is bonded to five carbon monoxide molecules through a coordinate covalent bond. The number of IR bands in M(CO)5 depends on the number of different types of CO molecules present in the compound.
Types of CO molecules:
There are two types of CO molecules present in M(CO)5:
1. Terminal CO: CO molecule bonded to a metal atom directly.
2. Bridging CO: CO molecule bonded to two metal atoms.
Number of IR bands:
The number of IR bands in M(CO)5 depends on the number of different types of CO molecules present in the compound. The number of different types of CO molecules is determined by the number of bridging CO molecules present in the compound.
In M(CO)5, there are two types of CO molecules present:
- Terminal CO: One CO molecule is bonded to a metal atom directly. This gives rise to one IR band.
- Bridging CO: Two CO molecules are bonded to two metal atoms. This gives rise to one IR band.
Therefore, the total number of IR bands in M(CO)5 is two.
Conclusion:
The correct option is (B) 2, as there are two types of CO molecules present in M(CO)5, giving rise to two IR bands.
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The number of IR bands will be obtain in M(CO)5a)1b)2c)3d)5Correct answer is option 'B'. Can you explain this answer?
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