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

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

Question # 2

An aldehyde compound can be reduced to alkane by

Question # 3

Which substance usually undergo nucleophilic addition reactions.

Question # 4

Acetaldehyde reacts usually with

Question # 5

Acetaldehyde react, with Grignard reagent to form

Question # 6

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

Question # 7

Which of the following has highest boiling point

Question # 8

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

Question # 9

Aldehyde react with hydroxyl amine in acidic solution to give

Question # 10

All of the followings react with Fehling solution except

Question # 11

Paraldehyde is polymer of.

Question # 12

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

Question # 13

Paraldehyde is used as a

Question # 14

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

Question # 15

Oxime is an addition product obtained when aldehydes react with.

Question # 16

Which can produce ketone

Question # 17

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

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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 An aldehyde compound can be reduced to alkane by
A. Wurtz reaction
B. Grignard reaction
C. Wolf Kishner reaction
D. Kolbe's reaction
2 Cannizzaro's reaction is not given by
A. Formaldehyde
B. Acetaldehyde
C. Benzaldehyde
D. Trithylacetaldehyde
3 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
4 Which of the following will have the highest boiling point.
A. Methanal
B. Ethanal
C. Propanal
D. 2-Hexanone
5 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
6 Which one of the following compounds undergoes Cannizzaro's Reaction.
A. Acetaldehyde
B. Benzaldehyde
C. Acetone
D. Propionaldehyde
7 Acetone reacts with HCN to form cyanohydrin it is an example of
A. Electrophilic addition
B. Electrophilic substitution
C. Nucleophilic addition
D. Nucleophilic subtitution
8 Predict the product or reaction.
Acetaldehyde +NaOH
A. An aldol
B. Acetic acid
C. Ethanol
D. Paraldehyde
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 Which is most difficult to be oxidized
A. CH3CHO
B. CH3COCH3
C. HCHO
D. C2H5CHO

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