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

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

Question # 2

Cannizzaro's reaction is given by

Question # 3

The carbon atom of a carbonyl group is

Question # 4

Aldehydes and ketones can be defected by

Question # 5

An aldehyde compound can be reduced to alkane by

Question # 6

Common names of aldehydes are derived from the common names of.

Question # 7

Cannizzaro's reaction is not given by

Question # 8

Which substance is used for silvering of mirror.

Question # 9

Which of the following has highest boiling point

Question # 10

Structure of carbonyl is

Question # 11

Paraldehyde is used as a

Question # 12

Silver mirror test is given by

Question # 13

Formation of cyanohydrin from an aldehyde in an example of.

Question # 14

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

Question # 15

Which reaction is disproportionate reaction

Question # 16

when aldehydes react with Tollen's reagent.

Question # 17

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

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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 Air of the following tests are used to identify aldehydes except.
A. Tollen's test
B. Fehling test
C. Baeyer's test
D. Benedict test
2 Acetaldehyde react, with Grignard reagent to form
A. Primary alcohol
B. Secondary alcohol
C. Ter alcohol
D. Carboxylic acids
3 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
4 To product aldehyde group against alkaline oxidizing agent.
A. It is reduced in the presence of catalyst
B. An acetal is formed
C. It is oxidized
D. It is treated with aqueous NaBH4
5 Which one of the following compounds undergoes Cannizzaro's Reaction.
A. Acetaldehyde
B. Benzaldehyde
C. Acetone
D. Propionaldehyde
6 Which one has yellow or orange cyrstalline ppt
A. Acetone hydrazone
B. 2, 4 DNPH
C. Ethanal oxime
D. Bisulphite addition product
7 Which substance reacts with sodium nitroprusside.
A. Ethanol
B. Acetaldehyde
C. Dimethyl ketone
D. Methanol
8 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
9 Oxime is an addition product obtained when aldehydes react with.
A. HCN
B. NH2OH
C. Phenyl hydrazine
D. H2O
10 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

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