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If A and B are the C-O bond lengths in methanol and phenol respectively, what is the relationship between A and B?

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in Chemistry – Class 12 by (188k points)
If A and B are the C-O bond lengths in methanol and phenol respectively, what is the relationship between A and B?

(a) A>B

(b) A<B

(c) A=B

(d) A≥B

I had been asked this question in an interview for job.

This key question is from Structures of Functional Groups topic in portion Alcohols, Phenols and Ethers of Chemistry – Class 12

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The correct answer is (a) A>B

The explanation: The C-O bond length in methanol is 142pm, whereas the C-O bond length in phenol is 136pm, which is slightly less than that in methanol.

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