More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Chemistry Chapter 24 Carboxylic Acid Online Test MCQs With Answers
Question # 1
Given below are some statements concerning formic acid, which of them is true?
Choose an answer
It is a weaker acid than acetic acid
It is a reducing agent
When its calcium salt is heated, it forms a ketone
It is an oxidizing agent
Previous
Skip
Next
Question # 2
An artificial smell of banana is produced in many articles y using esters which of the following is that
Choose an answer
Amyl acetate
Isoamyl valerate
Octyl acetate
Methyl butyrate
Previous
Skip
Next
Question # 3
A carboxylic acid containing Ar group in it is called:
Choose an answer
Aromatic carboxylic acid
Allphatic carboxylic acid
Dicarboxylic acid
Carboxylic acid
Previous
Skip
Next
Question # 4
When acetic acid and ethanol react together an ester is formed which is called
Choose an answer
Ethyl ester
Ethanoic acid
Ethanoic acid
Ethyl acetate
Previous
Skip
Next
Question # 5
If a large number of amino acids (hundreds to thousands) are joined by peptide bonds, the resulting product is called
Choose an answer
Dipeptide
Tripeptide
Polypeptide
None of these
Previous
Skip
Next
Question # 6
Lactic acid on oxidation by alkaline potassium permanganate gives
Choose an answer
Tartaric acid
Pyruvic acid
Cinnamic acid
Propionic acid
Previous
Skip
Next
Question # 7
Rearrangement of an oxime to an amide in the presence of strong acid is called
Choose an answer
Curtius rearrangement
Fries rearrangement
Beckman rearrangement
Aldol condensation
Previous
Skip
Next
Question # 8
Which reagent is used to reduce a carboxylic group to an alcohol
Choose an answer
H
2
/Ni
H
2
/Pt
NaBH
4
LiAIH
4
Previous
Skip
Next
Question # 9
Lysine is ______ amino acid
Choose an answer
Acidic
Basic
Natural
None of these
Previous
Skip
Next
Question # 10
Acetic acid is manufactured by:
Choose an answer
Distillation
Fermentation
Ozonolysis
Esterification
Previous
Skip
Next
Question # 11
Which following derivative cannot be prepared directly from acetic acid?
Choose an answer
Acetamide
Acetyl chloride
Acetic anhdride
Ethyl acetate
Previous
Skip
Next
Question # 12
Aspirin is
Choose an answer
Acetyl salicylic acid
Phenyl salicylic acid
Salicylic acid
Benzoic acid
Previous
Skip
Next
Question # 13
Which of the following compounds on boiling with KMnO
4
(alk) and subsequent acidification will not give benzoic acid?
Choose an answer
Benzyl alcohol
Acetophenone
Anisole
Toluene
Previous
Skip
Next
Question # 14
Amiino acids are building blocks of:
Choose an answer
Protein
Carbohydrates
Lipids
Fats
Previous
Skip
Next
Question # 15
Which is not carboxylic acid with pungent smell?
Choose an answer
Formic acid
Acetic acid
Ethanoic acid
Butyric acid
Previous
Skip
Next
Question # 16
Glutamic acid, aspartic acid are ______ amino acid
Choose an answer
Acidic
Basic
Neutral
None of these
Previous
Skip
Next
Question # 17
Monocarboxylic acids exist as dimer because of
Choose an answer
Dipole-dipole attraction
Hydrogen bonding
Van der Waals forces
Conhesive forces
Previous
Skip
Next
Question # 18
Choose an answer
Alkyl
Alkyl nitrile
Cyanogens
Amine
Previous
Skip
Next
Question # 19
The order of decreasing ease of reaction with ammonia is
Choose an answer
Anhydrides, esters, ethers
Anhydrides, ethers, esters
Ethers, anhydrides, esters
Esters, ethers, anhydrides
Previous
Skip
Next
Question # 20
Hydrolytic reaction of fats by causic soda is known as
Choose an answer
Acetylation
Carboxylation
Esterification
Saponification
Previous
Skip
Next
Question # 21
When a carboxylic acid reacts with a metal ______ gas is evolved
Choose an answer
H
2
CO
2
CI
2
None of these
Previous
Skip
Next
Question # 22
From the following values of dissociation constants of four acids which value represents the strongest acid?
Choose an answer
2 x 10
-2
0.02 x 10
-1
3 x 10
-4
2 x 10
-4
Previous
Skip
Next
Question # 23
Glacial acetic acid freezes to ice like solid at (
°
C)
Choose an answer
07
17
27
37
Previous
Skip
Next
Question # 24
When acetamide reacts with Br
2
and caustic soda, then we get
Choose an answer
Acetic acid
Bromoacetic acid
Methyl amine
Ethylamine
Previous
Skip
Next
Question # 25
The organic compounds containing Ph-OH group are called:
Choose an answer
Phenol
aldehyde
Keton
Carboxylic acids
Previous
Skip
Next
Question # 26
Formic acid is obtained when
Choose an answer
Calcium acetate is heated with conc.H
2
SO
4
Calcium formate is heated with calcium acetate
Glycerol is heated with oxalic acid
Acetaldehyde is oxidized with K
2
Cr
2
O
7
and H
2
SO
4
Previous
Skip
Next
Question # 27
Choose an answer
di(4-bormophenyl) method
Methanol
Propan-1-ol
Propan-2-ol
Previous
Skip
Next
Question # 28
Vinegar is dilute solution of:
Choose an answer
Acitic acid
Formic acid
Butyric acid
Propionic acid
Previous
Skip
Next
Question # 29
Easter are pleasant smelling compounds. Which ester posseses odour like pineapple
Choose an answer
Amylacetate
Amylbutyrate
Ethylbutyrate
Benzylacetate
Previous
Skip
Next
Question # 30
When a carboxylic acid reacts with alcohol, it produces a new class of compounds
Choose an answer
Ethers
Esters
Anhydride
Amides
Previous
Skip
Next
Back