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Aldehydes and Ketones

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

August 30, 2021March 18, 2019 by admin
Which of the following reagents will react with both aldehydes and ketones ?

A. Grignard reagent
B. Tollens reagent
C. Fehlings reagent
D. Benedicts reagent

Categories Aldehydes and Ketones, Chemistry Mcqs

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

August 30, 2021March 18, 2019 by admin
Which of the following reactions may be assoclated with aldehyde and ketone ?

A. nucleophile addition
B. polymerization
C. oxidation
D. all of the above

Categories Aldehydes and Ketones, Chemistry Mcqs

Acetone reacts with HCN to form a cyanohydrin. It is an example of________________?

August 30, 2021March 18, 2019 by admin
Acetone reacts with HCN to form a cyanohydrin. It is an example of________________?

A. electronphilic addition
B. electrophilic substitution
C. nucleophilic addition
D. nucleophilic substitution

Categories Aldehydes and Ketones, Chemistry Mcqs

Formalin is ___________ solution of formaldehyde in water?

August 30, 2021March 18, 2019 by admin
Formalin is ___________ solution of formaldehyde in water?

A. 10%
B. 20%
C. 40%
D. 60%

Categories Aldehydes and Ketones, Chemistry Mcqs

The carbon atom of carbonyl group is__________________?

August 30, 2021March 18, 2019 by admin
The carbon atom of carbonyl group is__________________?

A. sp hybridized
B. sp2 hybridized
C. cp3 hybridized
D. dsp2 hybridized

Categories Aldehydes and Ketones, Chemistry Mcqs

Which of the following will have the highest boiling point ?

August 30, 2021March 18, 2019 by admin
Which of the following will have the highest boiling point ?

A. methanol
B. ethanal
C. propanal
D. hexanone

Categories Aldehydes and Ketones, Chemistry Mcqs

Iodoform test can be used to distinguish between_________________?

August 30, 2021March 18, 2019 by admin
Iodoform test can be used to distinguish between_________________?

A. ethanol and methanol
B. acetaldehyde and methanal
C. acetone and diethyl ketone
D. all of the above

Categories Aldehydes and Ketones, Chemistry Mcqs

Cannizaros reaction takes place through the transfer of ____________________ from complex anion?

August 30, 2021March 18, 2019 by admin
Cannizaros reaction takes place through the transfer of ____________________ from complex anion?

A. hydrogen ion
B. hydride ion
C. oxide ion
D. methoxide ion

Categories Aldehydes and Ketones, Chemistry Mcqs

Dry distillation of calcium acetate results in the formation of_________________?

August 30, 2021March 18, 2019 by admin
Dry distillation of calcium acetate results in the formation of_________________?

A. formaldehyde
B. acetaldehyde
C. methane
D. acetone

Categories Aldehydes and Ketones, Chemistry Mcqs

Tetrahydroborate ion is the source of_______________?

August 30, 2021March 18, 2019 by admin
Tetrahydroborate ion is the source of_______________?

A. proton
B. H+
C. both A & amp; B
D. H-

Categories Aldehydes and Ketones, Chemistry Mcqs
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