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

Which reagent will react with both aldehyde and ketones

Question # 2

Which one is symmetrical ketone

Question # 3

Formalin is a 40% solution of

Question # 4

Which one of the following compounds undergoes Cannizzaro's Reaction.

Question # 5

All of the followings react with Fehling solution except

Question # 6

Predict the product or reaction.
Acetaldehyde +NaOH

Question # 7

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

Question # 8

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

Question # 9

Which is most difficult to be oxidized

Question # 10

Which can produce ketone

Question # 11

When benzaldehyde is converted to benzyl alcohol by reading with NaOH the reaction is known as.

Question # 12

Paraldehyde is used as a

Question # 13

On heating aldehydes with Fehling's solution we get a precipitate whose colour is

Question # 14

Oxime is an addition product obtained when aldehydes react with.

Question # 15

The carbon atom of a carbonyl group is

Question # 16

Cannizzaro's reaction is given by

Question # 17

Acetaldehyde undergoes, aldol condensation in the presence of.

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12th Chapter

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 substance reacts with sodium nitroprusside.
A. Ethanol
B. Acetaldehyde
C. Dimethyl ketone
D. Methanol
2 Oxime is an addition product obtained when aldehydes react with.
A. HCN
B. NH2OH
C. Phenyl hydrazine
D. H2O
3 Ketones are prepared by the oxidation of.
A. Primary alcohol
B. Secondary alcohol
C. Tertiary alcohol
D. None of these
4 Which one of the following compounds undergoes Cannizzaro's Reaction.
A. Acetaldehyde
B. Benzaldehyde
C. Acetone
D. Propionaldehyde
5 Predict the product or reaction.
Acetaldehyde +NaOH
A. An aldol
B. Acetic acid
C. Ethanol
D. Paraldehyde
6 The carbon atom of carbonyl group is hybridized
A. Sp
B. Sp2
C. Sp3
D. dsp2
7 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
8 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
9 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
10 An aldehyde compound can be reduced to alkane by
A. Wurtz reaction
B. Grignard reaction
C. Wolf Kishner reaction
D. Kolbe's reaction

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