2nd Year Chemistry Online MCQ Test for Chapter 12 Aldehydes and Ketones Preparation

MCQ's Test For Chapter 0 "Chemistry Fsc Part 2 Chapter 12 Online Test"

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Chemistry Fsc Part 2 Chapter 12 Online Test

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Question # 1

Acetaldehyde reacts usually with

Question # 2

Which one of the following compound does not react with NaOH and I2 and also does not form Iodoform.

Question # 3

Cannizzaro's reaction is given by

Question # 4

A snake was preserved in a solution and was placed in biology laboratory. The solution is.

Question # 5

Cannizzaro's reaction is not given by

Question # 6

Acetaldehyde can be prepared by the oxidation of.

Question # 7

The carbon atom of carbonyl group is hybridized

Question # 8

Which reagent will react with both aldehyde and ketones

Question # 9

All of the following tests are used to identify aldehydes except.

Question # 10

Formation of cyanohydrin from an aldehyde in an example of.

Question # 11

Which of the following reagents will reacts with both aldehydes and ketones.

Question # 12

Acetaldehyde react, with Grignard reagent to form

Question # 13

Which one is symmetrical ketone

Question # 14

Acetone reacts with HCN to form cyanohydrin it is an example of

Question # 15

Air of the following tests are used to identify aldehydes except.

Question # 16

What product is formed by the dry distillation of calcium acetate.

Question # 17

Which of the following has highest boiling point

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FSC Part 2 Chemistry Chapter 12 Online Test MCQ's

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FSc Part II Chemistry Chapter 0 Important MCQ's

Sr.# Question Answer
1 Which one of the following compounds is not derivative of NH3.
A. Aniline
B. Hydrazine
C. Phenyl hydrazine
D. Picric acid
2 Ketones are prepared by the oxidation of.
A. Primary alcohol
B. Secondary alcohol
C. Tertiary alcohol
D. None of these
3 Acetaldehyde reacts usually with
A. Electrophiles only
B. Nucleophiles only
C. Electrophiles and nucleophiles
D. Free radicals only
4 On heating aldehydes with Fehling's solution we get a precipitate whose colour is
A. Pink
B. Black
C. Yellow
D. Brick red
5 Aldehydes and ketones can be defected by
A. 2, 4 DNPH test
B. Tollen's test
C. Sodium Nitro prusside test
D. Benedicts solution test
6 when aldehydes react with Tollen's reagent.
A. A ketone is produced
B. An alcohol is produced
C. Ag ions are produced
D. Ag ions are reduced
7 Which is most difficult to be oxidized
A. CH3CHO
B. CH3COCH3
C. HCHO
D. C2H5CHO
8 Aldehyde react with hydroxyl amine in acidic solution to give
A. An oxime
B. Aldol
C. Polymer
D. Acetic acid
9 Oxime is an addition product obtained when aldehydes react with.
A. HCN
B. NH2OH
C. Phenyl hydrazine
D. H2O
10 Which one of the following compound does not react with NaOH and I2 and also does not form Iodoform.
A. C2H5OH
B. CH3CHO
C. CH3-CO-CH3
D. C2H5-O-C2H5

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