Question

cyclohexanol + cyclohexanone excess on presence of H+
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Answer 1

Answer:

I think the answer should be (III)

because first the carbonyl oxygen will get protonated by H+.

Then the bond will completely get shifted to O+H form -OH

and the carbonation is formed on which the lone pair of oxygen from cyclohexanol will attack on it and this process will once more take place giving the product.

Hope this helps you !