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Standard XII
Chemistry
Formation of Hemiacetals
31. A carbony...
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31. A carbonyl compound reacts with hydrogen cynide to form cyanohydrin which on hydrolysis forms a racemic mixture of alfa-hydroxy acid. The carbonyl compound is 1) acetone 2) diethyl ketone 3) formaldehyde 4) acetaldehyde
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Q.
A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of
α
-hydroxy acid. The carbonyl compound is:
Q.
A carbonyl compound gives a positive iodoform test but does not reduce Tollen's reagent or Fehling's solution. It forms a cyanohydrin with
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Q.
p-Cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form the compound B. The latter on acidic hydrolysis gives chiral carboxylic acid. The structure of the carboxylic acid is
Q.
A ketone reacted with
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M
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A ketone (A) forms iodoform when it reacts with
I
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a
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B
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