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
Carboxylic acids having carboxyl group one is called:
Choose an answer
Mono carboxylic acid
Di-carboboxylic acid
Tri carboxilic acid
Tetra carboxylic acid
Previous
Skip
Next
Question # 2
Acetamide is prepared by
Choose an answer
Heating ammonium acetate
Heating methyl cyanide
Heating ethyl acetate
The hydrolysis of methyl cyanide
Previous
Skip
Next
Question # 3
Amino acids contain functional groups in it:
Choose an answer
--CO--
--OH
---NH
2
All of these
Previous
Skip
Next
Question # 4
The M.P. of carboxylic acids containing even number of carbon atoms is ______ than the next
Choose an answer
Higher
Low
Equal
None
Previous
Skip
Next
Question # 5
Carboxylic acids react with acids releasing gas from it:
Choose an answer
H2O as steam
CO
CO2
O2
Previous
Skip
Next
Question # 6
Which one of the following has been hydroxyl and carboxylic acid groups
Choose an answer
Phenols
Picric acid
Phthalic acid
Salicylic acid
Previous
Skip
Next
Question # 7
Glacial acetic acid freezes to ice like solid at (
°
C)
Choose an answer
07
17
27
37
Previous
Skip
Next
Question # 8
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 # 9
Acetamide and NaOBr/OH
-
produce
Choose an answer
Ethanamine
Methanamide
CH
3
CN
NH
3
Previous
Skip
Next
Question # 10
Which of the following is not a fatty acid?
Choose an answer
Propanoic acid
Acetic acid
Phthalic acid
Butanoic acid
Previous
Skip
Next
Question # 11
Between CH
3
COOH and HCOOH, HCOOH will be
Choose an answer
Less acidic
Equally acidic
More acidic
None
Previous
Skip
Next
Question # 12
Formic Acid is obtained from Red out by:
Choose an answer
Distillation
Crystallization
Filtration
sublimation
Previous
Skip
Next
Question # 13
The human body can synthesize ______ amino acids
Choose an answer
1
10
20
19
Previous
Skip
Next
Question # 14
The human body can synthesize ______ amino acids
Choose an answer
1
10
20
19
Previous
Skip
Next
Question # 15
Aromatic carboxylic acids have carboxyl group attached to group :
Choose an answer
Alkyl group
Aryl group
Phenyl group
Benzyl group
Previous
Skip
Next
Question # 16
Acetic anhydride is obtained form acetyl chloride by the reaction of
Choose an answer
P
2
O
5
H
2
SO
4
CH
3
COONa
CH
3
COCH
3
Previous
Skip
Next
Question # 17
Lower carboxylic acids are soluble in water due to
Choose an answer
Low molecular weight
Hydrogen bonding
Dissociation into ions
Easy hydrolysis
Previous
Skip
Next
Question # 18
Palmitic acid & steanic acid ae obtained from process of fats & oils:
Choose an answer
Reduction
Neutralization
oxidation
hydrolysis
Previous
Skip
Next
Question # 19
Lactic acid on heating with dil. H
2
SO
4
gives
Choose an answer
Acetic acid
Propionic acid
Acrylic acid
Formic acid
Previous
Skip
Next
Question # 20
Zwitter ion is ______ ion an amino acid
Choose an answer
Polar
Monopular
Dipolar
Non polar
Previous
Skip
Next
Question # 21
Acetamide is prepared by:
Choose an answer
Heating ammonium acetate
Heating methyl cyanide
Heating ethyl acetate
The hydrolysis of methyl cyanide
Previous
Skip
Next
Question # 22
Which are used as essences(flowers)?
Choose an answer
aldehydes
Ketones
alcohols
esters
Previous
Skip
Next
Question # 23
Primary alcohols and aldehydes are oxidized to corresponding:
Choose an answer
alkanes
alkenes
Alkynes
Carboxylic Acid
Previous
Skip
Next
Question # 24
Rosenmund's reduction of an acyl chloride gives
Choose an answer
An aldehydes
An alcohol
An ester
A hydrocarbon
Previous
Skip
Next
Question # 25
Choose an answer
Acidified AgNO
3(aq)
Fehling's solution
Na
Na
2
XO
3(aq)
Previous
Skip
Next
Question # 26
Which of the following order is incorrect w.r.t property indicated?
Choose an answer
Formic acid > Acetic acid > Propionic acid (ACID STRENGTH)
Cyclohexanol < Phenol < Benzoic acid ( ACID STRENGTH)
Benzamide < Aniline < Cyclohexylamine ( ACID STRENGTH)
FCH
2
COOH > CICH
2
COOH > BrCH
2
COOH (ACID STRENGTH)
Previous
Skip
Next
Question # 27
Choose an answer
It decolourises aqueous bromine rapidly
It is insoluble in water
It reduces Fehling's reagent
Two molecules react with each other in the presence of a strong acid
Previous
Skip
Next
Question # 28
Esters have peculiar smell, which of the following is used as an essence of orange
Choose an answer
Isoamyl acetate
Iosamyl valerate
Octyl acetate
Methyl butyrate
Previous
Skip
Next
Question # 29
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
Choose an answer
Ethane
Ethanoic acid
Ethanol
Ethyl ethanoate
Previous
Skip
Next
Question # 30
A carboxylic acid contains:
Choose an answer
A hydroxyl group
A carboxyl group
A hydroxyle & carboxyl group
A carboxyl &aldehyde group
Previous
Skip
Next
Question # 31
Boiling point of acetic acid is
°C:
Choose an answer
116
117
118
119
Previous
Skip
Next
Back