Aldehydes and Ketones Mcqs

Our collections of Multiple choice questions and answers focuses on study of Aldehydes and Ketones in Chemistry. These questions are chosen from a collection of most authoritative and best reference books on Chemistry. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Chemical industry job interviews. One should practice our Mcqs to assimilate knowledge on Aldehydes and Ketones in Chemistry comprehensively.

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1.
Which of the following substance produce acetaldehyde on dry distillation?

(CH3COO)2Ca

(HCOO)2Ca

Both (a) and (b)

None

3.
Which of the following reaction is not shown by ketones?

Reaction with HCN

Reaction with NaHSO3

Reaction with 2 4 dinitrophenyl hydrazine

Reaction with Fehling solution

4.
The carbon atom of carbonyl group is

Sp hybridized

Sp2 hybridized

Cp3 hybridized

Dsp2 hybridized

5.
Which of the following substances does not give iodoform test?

Acetaldehyde

Ethyl alcohol

Methyl alcohol

Acetone

7.
Which of the following aldehydes shows rapid reaction with sodium nitroprusside?

Formaldehyde

Accetaldehyde

Benzaldehyde

Acetone

8.
Acetone reacts with HCN to form a cyanohydrin. It is an example of

Electronphilic addition

Electrophilic substitution

Nucleophilic addition

Nucleophilic substitution

9.
Which of the following compounds will react with Tollens reagent?

CH3-CHO

CH3-CH-CH3

CH3-COOH

CH3-CO-CH2-CH3

10.
Which of the following reactions may be assoclated with aldehyde and ketone?

Nucleophile addition

Polymerization

Oxidation

All of the above

11.
Cannizzaros reaction is not given by

Formaldehyde

Acetaldehyde

Benzaldehyde

Trimethyl acetaldehyde

12.
Which of the following reagents will react with both aldehydes and ketones?

Grignard reagent

Tollens reagent

Fehlings reagent

Benedicts reagent

13.
Ketones are comparatively less reactive than aldehdye. It is due to

Alkyl groups are electron donating

Steric hindrance

Both (a) and (b)

None

14.
Which of the following do not give aldol condensation reactions?

Formaldehyde

Acetaldehyde

Diemthyl ketone

Propionaldehyde

15.
Which of the following is not a use of formaldehyde?

In silvery mirror

In making medicine urotropine

In making throat lozenges

In making acetic acid

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