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

FSC Part 2 Chemistry
Chapter 12 Test

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FSC Part 2 Chemistry Wise Test
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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

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

Question # 2

The carbon atom of carbonyl group is hybridized

Question # 3

Ketones are prepared by the oxidation of.

Question # 4

Acetaldehyde undergoes, aldol condensation in the presence of.

Question # 5

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

Question # 6

when aldehydes react with Tollen's reagent.

Question # 7

Which is most difficult to be oxidized

Question # 8

Paraldehyde is used as a

Question # 9

Cannizzaro's reaction is not given by

Question # 10

Which substance usually undergo nucleophilic addition reactions.

Question # 11

Which of the following compounds will not give Iodoform test on treatment with I2/ NaOH

Question # 12

Which can produce ketone

Question # 13

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

Question # 14

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

Question # 15

Which substance reacts with sodium nitroprusside.

Question # 16

Silver mirror test is given by

Question # 17

Acetaldehyde can be prepared by the oxidation of.

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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 Paraldehyde is polymer of.
A. HCHO
B. CH3CHO
C. CH3COCH3
D. CH3CH2-CH2OH
2 Formation of cyanohydrin from an aldehyde in an example of.
A. Nucleophilic substitution
B. Nucleophilic addition
C. Electrophilic addition
D. Electrophilic substitution
3 Which of the following compounds will not give Iodoform test on treatment with I2/ NaOH
A. Acetaldehyde
B. Acetone
C. Butanone
D. 3-Pentanone
4 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
5 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
6 Which substance reacts with sodium nitroprusside.
A. Ethanol
B. Acetaldehyde
C. Dimethyl ketone
D. Methanol
7 Oxime is an addition product obtained when aldehydes react with.
A. HCN
B. NH2OH
C. Phenyl hydrazine
D. H2O
8 Formalin is
A. 10% solution of formaldehyde in water
B. 20% solution of formaldehyde in water
C. 40% solution of formaldehyde in water
D. 60% solution of formaldehyde in water
9 Which of the following reagents will reacts with both aldehydes and ketones.
A. Grignard reagent
B. Tollens's reagent
C. Fehling's reagent
D. Benedict 's reagent
10 Acetaldehyde react, with Grignard reagent to form
A. Primary alcohol
B. Secondary alcohol
C. Ter alcohol
D. Carboxylic acids

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