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Hello everyone.
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Let us see the following question.
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We have to find out what could be the product of the following reaction.
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So let us go to the answer.
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So in that we have to write a reactant with the 1, 2, 3, 4, 5, 6, 7 membered ring.
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1, 2, 3, 4, 5, 6, 7.
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So 7 member carbon chain, double bond o and oh here.
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And then in this place we have alcohol.
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So it is hydroxycarboxylic acid.
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When treated in the presence of concentrated hcl, we have to find out the product in the sequence.
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Now we know that in the presence of acid, it generates h plus.
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So this h plus, whatever is generated, will be attacking on the lone pair of electrons on the oxygen, which would generate the following.
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Molecule, this would be o -oh2 and positive charge.
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Okay? so, this is not stable as we know that there is a formation of carbocation as this is cleaved.
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Okay, so the next broadad over here anyway positive charge.
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Now as this h plus is cleaved, there is a lone pair of electron.
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So we have to form a ring over here...