CH3 7) acetone + ? CHy°C=C-CH3 CH3 CH3 CH3 a) CH₂ PPh3 -PPh3 c) CH₂-C-PPh3 CH3 8) The product of Claisen condensation is a) a-keto ester b) B-keto ester c) 8-keto ester 9) reaction of cyclohexanone with formaldehyde and dimethyl amine in Mannich reaction give- CH3 -CH₂ & CH3 CH3 a) b) CH3 CH3 C) N

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A:

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A:

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A:

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A:

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A:

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A: Given,

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Diol

In chemistry there are so many chemical compounds that have a hydroxyl group but a chemical compound having two hydroxyl groups (-OH) is termed as a diol. It also implies the presence of two alcohols whereas polyols contain two or more than two hydroxyl groups (-OH). Glycol or 1,2-diol is an aliphatic diol that has two alcohol groups on adjacent carbon atoms. In industries, the most commonly used diol is ethylene glycol.