MEDIUM
VITEEE
IMPORTANT
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A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin, which on hydrolysis, forms a racemic mixture of -hydroxy acid. The carbonyl compound is:
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Important Questions on Carbonyl Compounds
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IMPORTANT
Compound () forms a phenylhydrazone and gives negative Tollens and iodoform tests. Compound () on reduction, gives pentane. Compound () is:
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IMPORTANT
Acetylene on reacting with formaldehyde under high pressure gives
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Acetaldehyde and alcohol reacts in presence of dry gas. The product obtained is:
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The carbonyl compounds undergo nucleophilic addition because of
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The general order of reactivity of carbonyl compounds towards the nucleophilic addition reactions is:
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The most reactive compound towards the formation of cyanohydrin on treatment with , followed by acidification is:
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During the reduction of carbonyl compounds by hydrazine and the first intermediate formed is:
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Which of the following statements regarding the chemical properties of acetophenone are wrong?
I. It is reduced to methylphenylcarbinol by sodium and ethanol.
II. It is oxidised to benzoic acid with acidified .
III. It does not undergo electrophilic substitution like nitration at the meta-position.
IV. It does not undergo iodoform reaction with iodine and alkali.
