ECAT Pre Engineering Chemistry Chapter 24 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 24 Carboxylic Acid Online Test

Try The MCQ's Test For ECAT Chemistry Chapter 24 Carboxylic Acid Online Test

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ECAT Chemistry Chapter 24 Carboxylic Acid Online Test

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Question # 1

Which of the following is present in the stings of bees and wasps

Question # 2

Palmitic acid & steanic acid ae obtained from process of fats & oils:

Question # 3

Vinegar is dilute solution of:

Question # 4

The organic compounds containing Ph--OH group are called:

Question # 5

In preparation medhod of carboxylic acids from alkyl halides always carboxylic acid formed which have carbon atoms:

Question # 6

Active metals react with carboxylic acid releasing gas:

Question # 7

Esters have peculiar smell, which of the following is used as an essence of orange

Question # 8

A compound containing carboxyl group in them are called:

Question # 9

A compound X has all of the following properties: It is a liquid at room temperature and atmospheric pressure; It does not mix completely with water; It does not decolorise acidified potassium manganate
What could X be

Question # 10

Glutamic acid, aspartic acid are ______ amino acid

Question # 11

Which are used as essences(flowers)?

Question # 12

Easter are pleasant smelling compounds. Which ester posseses odour like pineapple

Question # 13

Amiino acids are building blocks of:

Question # 14

Which of the following compounds on boiling with KMnO4(alk) and subsequent acidification will not give benzoic acid?

Question # 15

The general formula of amino acids is

Question # 16

A carboxylic acid contains:

Question # 17

Acetic acid is manufactured by the fermentation of

Question # 18

Carboxylic acid can generally be prepared by various methods. Which of the following methods is not suitable for making carboxylic acids

Question # 19

Partial reduction of acetic acid happens with

Question # 20

When acetic acid and ethanol react together an ester is formed which is called

Question # 21

The OH group present in acids may be replaced by CI atom on treatment with

Question # 22

What is the structure of the ester formed from propanoic acid and ethanol

Question # 23

Which of the following does give violet colour with neutral ferric chloride?

Question # 24

The common name of propanoic acid is

Question # 25

Pro stand for

Question # 26

Tryosine was isolated from

Question # 27

The Zwitter ion is also called

Question # 28

Which of the following is not a fatty acid?

Question # 29

When a carboxylic acid reacts with a metal ______ gas is evolved

Question # 30

Hydrolysis of alkyl nitriles gives:

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ECAT Chemistry Chapter 24 Important MCQ's

Sr.# Question Answer
1 Which of the following statements about acetic, anhydride is not correct
A. It is immiscible with water but is hydrolysed to give acetic acid
B. It is prepared by the action of actyl chloride on the sodium salt of acetic acid
C. it reacts with ammonia to give acetamide
D. it is a strong acid
2 Monocarboxylic acids exist as dimer because of
A. Dipole-dipole attraction
B. Hydrogen bonding
C. Van der Waals forces
D. Conhesive forces
3 Rosenmund's reduction of an acyl chloride gives
A. An aldehydes
B. An alcohol
C. An ester
D. A hydrocarbon
4 Boiling point of acetic acid is oC
A. 116
B. 117
C. 118
D. 119
5 Which acid is used in the manufacture of synthetic fibre?
A. Formic acid
B. Oxalic acid
C. Carbonic acid
D. Acetic acid
6 Butyric acid was named from butyrum means:
A. Red out
B. Vinegar
C. Butter
D. Milk
7 Ethyl alcohol reacts with acetyl chloride to form
A. Ethyl chloride
B. Acetic acid
C. Methyleacetate
D. Ethyleacetate
8 Acetic acid is miscible in:
A. Water
B. Alcohol
C. Either
D. All of these
9 Glacial Acetic acid is
A. Pure acetic acid at 100°C
B. Acetic acid mixed with methanol
C. Pure acetic acid at 0°C
D. Pure acetic acid above 16.6°C
10 The organic compounds containing Ph--OH group are called:
A. Phenol
B. Aldehyde
C. Ketones
D. Carboxylic acids

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