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Carboxylic Acids and Their Derivatives

carboxylic acid derivatives practice problems

Organic Chemistry - Carboxylic acid Derivatives

Question 1
Aspirin is obtained by the reaction of salicylic acid with
A
Acetaldehyde
B
Acetic anhydride
C
Acetone
D
Acetyl chloride
Question 2
Dimerisation in carboxylic acid is due to
A
Covalent bond
B
Intermolcular hydrogen bond
C
Ionic bond
D
Coordinate bond
Question 3
What is formed when benzoyl chloride reacts with aniline in presence of sodium hydroxide?

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A
Acetanilide
B
Benzoic acid
C
Benzanilide
D
Azobenzene
Question 4
The product obtained by dry distillation of calcium formate on reacting with ammonia yields
A
Acetaldehyde ammonia
B
Urotropine
C
Formamide
D
Acetamide
Question 5
Ethyl acetate reacts with CH3MgBr to form
A
Tertiary alcohol
B
Secondary alcohol
C
Acid
D
Primary alcohol and acid
Question 6
Acetic acid is manufactured by the fermentation of
A
Methanal
B
Methanol
C
Ethanol
D
Ethanal
Question 7
A distinctive and characteristic functional group in fats is
A
A ketonic group
B
A peptide group
C
An ester group
D
An alcoholic group
Question 8
What makes a lemon sour?
A
Tartaric acid
B
Hydrochloric acid
C
Citric acid
D
Oxalic acid
Question 9
Benzoic acid is less acidic than salicylic acid because of
A
Inductive effect
B
Resonance
C
All of these
D
Hydrogen bond
Question 10
Identify the wrong statement from the following
A
Salicylic acid’s a monobasic acid
B
Salicylic acid gives violet colour with neutral ferric chloride as well as brisk effervescence with sodium bicarbonate
C
Methyl salicylate is an ester
D
Methyl salicylate does not occur in natural oils
Question 11
Ethyl acetate at room temperature is a
A
Solid
B
Liquid
C
Solution
D
Gas
Question 12
Which of the following is most acidic?
A
Chloroacetic acid
B
Acetic acid
C
Propionic acid
D
Formic acid
Question 13
CO2 on reaction with ethyl magnesium bromide gives
A
None of these
B
Ethane
C
Acetic acid
D
Propanoic acid
Question 14
Benedict’s solution is not reduced by
A
Acetic anhydride
B
Acetaldehyde
C
Glucose
D
Formaldehyde
Question 15
Oxalic acid when reduced with zinc and H2SO4 gives

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A
Glycol
B
Glyoxal
C
Glyoxallic acid
D
Glycollic acid
Question 16
Which of the following can possibly be used as analgesic without causing addiction and moon modification?
A
Tetrahydrocatinol
B
Drazepom
C
Morphine
D
N-acetyl-para-aminophenol
Question 17
In quick vinegar process of acetic acid, the temperature of mixture is
A
427 K
B
350 K
C
500 K
D
300 K
Question 18
Reaction between an acid and alcohol will give
A
Higher C containing acid
B
Ester
C
Alkane
D
Secondary alcohol
Question 19
Hydrolysis of an ester gives a carboxylic acid which on Kolbe’s electrolysis yields ethane. The ester is

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A
Methyl ethanoate
B
Ethyl methonoate
C
Propylamine
D
Ethylamine
Question 20
Formic acid can reduce

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A
None of these
B
Mercuric chloride
C
KMnO4
D
Tollen's reagent
Question 21
Pyruvic acid is obtained by
A
None of these
B
Oxidation of acetone cyanohydrin
C
Oxidation of acetaldehyde cyanohydrin
D
Oxidation of formaldehyde cyanohydrin
Question 22
A colourless organic compound gives brisk effervescences with a mixture of sodium nitrite and dil. HCl. It could be
A
Urea
B
Glucose
C
Benzoic acid
D
Oxalic acid
Question 23
0.2 gm of fine animal charcoal is mixed with half litre of acetic acid (-SM ) solution and shaken for 30 minutes
A
Concentration increases
B
The concentration of the solution decreases
C
Concentration remains same
D
None of these
There are 23 questions to complete.

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