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"

Try The MCQ's Test For Chapter 0 "Chemistry Fsc Part 2 Chapter 12 Online Test"

  • Total Questions17

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Chemistry Fsc Part 2 Chapter 12 Online Test

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Question # 1

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

Question # 2

A cyanohydrin is formed by the reaction of

Question # 3

Structure of carbonyl is

Question # 4

Which of the following will have the highest boiling point.

Question # 5

Cannizzaro's reaction is given by

Question # 6

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

Question # 7

The carbon atom of a carbonyl group is

Question # 8

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

Question # 9

Which substance reacts with sodium nitroprusside.

Question # 10

Which substance is used for silvering of mirror.

Question # 11

Paraldehyde is polymer of.

Question # 12

Which can produce ketone

Question # 13

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

Question # 14

Formalin is

Question # 15

Cannizzaro's reaction is not given by

Question # 16

Formation of cyanohydrin from an aldehyde in an example of.

Question # 17

Acetaldehyde can be prepared by the oxidation 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 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
2 Acetone reacts with HCN to form cyanohydrin it is an example of
A. Electrophilic addition
B. Electrophilic substitution
C. Nucleophilic addition
D. Nucleophilic subtitution
3 On heating aldehydes with Fehling's solution we get a precipitate whose colour is
A. Pink
B. Black
C. Yellow
D. Brick red
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 Paraldehyde is polymer of.
A. HCHO
B. CH3CHO
C. CH3COCH3
D. CH3CH2-CH2OH
6 Acetaldehyde react, with Grignard reagent to form
A. Primary alcohol
B. Secondary alcohol
C. Ter alcohol
D. Carboxylic acids
7 Acetaldehyde can be prepared by the oxidation of.
A. Acetic acid
B. Ethanol
C. 1- Proponal
D. Ethanonic acid
8 Industrially ethanal is prepared by air oxidation of.
A. Ethane
B. Ethene
C. Ethyne
D. Acetic acid
9 Formalin is a 40% solution of
A. CH3CHO
B. CH3OH
C. HCHO
D. CH3OCH
10 Which of the following compounds will not give iodoform test on treatment with I2/NaOH
A. Acetaldehyde
B. Acetone
C. Butanone
D. 3-Pentaneone

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  • ahmad raza

    ahmad raza

    04 Dec 2017

    very nice

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  • Mahnoor Amjad

    Mahnoor Amjad

    01 Nov 2017

    very helpful test .....but plz provide variety of mcqs soo that we can prepare better

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