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Which of the following reacts with water to form very stable product?

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Important Questions on Aldehydes, Ketones and Carboxylic Acids

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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 35
A compound that gives positive iodoform test is
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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 36
Cannizzaro reaction is not given by
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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 37
If pentan-2-one is reacted with NaBH4, followed by hydrolysis with D2O, the product will be:
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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 38
In the reaction sequence
RCOCl+H2⟶Pd+BaSO4A⟶HCNB⟶H,O⊕C
A, B and C are given by the set :-
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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 39
A carbonyl compound gives a positive iodoform test but does not reduce Tollen's reagent or Fehling's solution. It forms a cyanohydrin with HCN, which on hydrolysis gives a hydroxy acid with a methyl side chain. The compound is :-
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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 40
Cyanohydrin of the following compound on hydrolysis gives optically active product :
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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 41
Which one of the following, on treatment with 50% aq. NaOH, yields the corresponding alcohol and acid:
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Beta Question Bank for Engineering: Chemistry>Chapter 27 - Aldehydes, Ketones and Carboxylic Acids>EXERCISE-1>Q 44
Which of the following acids have the lowest pKa value?