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 Multiple Choice QuestionsMultiple Choice Questions

81.

The compound which is not formed during the dry distillation of a mixture of calcium formate and calcium acetate is :

  • methanal

  • propanal

  • propanone

  • ethanal


82.

Propionic acid and KOH reacts to produce which one of the following?

  • Potassium propionate

  • Propyl alcohol

  • Propionaldehyde

  • Does not react


83.

Which of the following is an amphoteric acid ?

  • Glycine

  • Salicylic acid

  • Benzoic acid

  • Citric acid


84.

When calcium acetate is distilled, it will produce which of the following compound?

  • CH3COOH

  • CH3CHO

  • CH3COCH3

  • All of these


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85.

CH3COOH LiAlH4 X 300°Cu Y NaOHDilute Z

In the above reaction, Z is:

  • butanol

  • aldol

  • ketol

  • acetal


86.

A compound A has a molecular formula C2Cl3OH. It reduces Fehling's solution and on oxidation, gives a monocarboxylic acid B. A can be obtained by the action of chlorine on ethyl alcohol. A is :

  • chloroform

  • chloral

  • methyl chloride

  • monochloroacetic acid


87.

Assertion: Aromatic aldehydes and formaldehyde undergo Cannizzaro reaction.

Reason : Aromatic aldehydes are almost as reactive as formaldehyde.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion. 

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


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88.

Benzaldehyde can be prepared from


A.

Benzaldehyde can be prepared from the following reaction:

Other reactions can be completed as -


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89.

Which of the following reagents cannot be used for the given conversion?

  • Sn-HCl

  • Fe-HCl

  • LiAlH4

  • Pd/C


90.

CH3CHO Oxidation (A0 PCl5 (B) CH3COONa (c) .Compond (C) is :

  • (CH3CO)2O

  • CH3COCH3

  • CH3COOCH3

  • CH3COOC2H5


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