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

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

Question # 2

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

Question # 3

Paraldehyde is polymer of.

Question # 4

Ketones are prepared by the oxidation of.

Question # 5

Cannizzaro's reaction is given by

Question # 6

Predict the product or reaction.
Acetaldehyde +NaOH

Question # 7

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

Question # 8

Which reagent will react with both aldehyde and ketones

Question # 9

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

Question # 10

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

Question # 11

Acetaldehyde react, with Grignard reagent to form

Question # 12

The carbon atom of carbonyl group is hybridized

Question # 13

Industrially ethanal is prepared by air oxidation of.

Question # 14

Oxime is an addition product obtained when aldehydes react with.

Question # 15

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

Question # 16

Which one has yellow or orange cyrstalline ppt

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 Which reaction is disproportionate reaction
A. Aldol Condensation
B. Cannizzaros's reaction
C. Haloform reactions
D. Acid Catalyzed reactions
2 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
3 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
4 All of the followings react with Fehling solution except
A. CH2CH2CHO
B. CH3-CH2COCH3
C. HCHO
D. CH3-CHO
5 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
6 Paraldehyde is polymer of.
A. HCHO
B. CH3CHO
C. CH3COCH3
D. CH3CH2-CH2OH
7 All of the following tests are used to identify aldehydes except.
A. Tollen's test
B. Fehling test
C. Baeyer's test
D. Benedict test
8 When benzaldehyde is converted to benzyl alcohol by reading with NaOH the reaction is known as.
A. Cannizzaro reaction
B. Wurtz reaction
C. Wol;ficisthner reaction
D. Aldol reaction
9 Which is most difficult to be oxidized
A. CH3CHO
B. CH3COCH3
C. HCHO
D. C2H5CHO
10 Formation of cyanohydrin from an aldehyde in an example of.
A. Nucleophilic substitution
B. Nucleophilic addition
C. Electrophilic addition
D. Electrophilic substitution

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