ECAT Pre Engineering Chemistry Chapter 24 MCQ Test With Answer

Aspirin is

• Acetyl salicylic acid A
• Phenyl salicylic acid B
• Salicylic acid C
• Benzoic acid D

Glutamic acid, aspartic acid are ______ amino acid

• Acidic A
• Basic B
• Neutral C
• None of these D

Glacial acetic acid freezes to ice like solid at (°C)

• 07 A
• 17 B
• 27 C
• 37 D

Aliphatic carboxylic acids have carboxyl group attached to:

• Alkyl group A
• Aryl group B
• Phenyl group C
• Benzyl lgroup D

Fatty acids are:

• Allphatic monocarboxylic acids A
• Dicaroxylic acids B
• Tricarboxylic acids C
• Tetracarboxylic acids D
• Poly carboxylic acids E

Which of the following derivative can not be prepared directly from acetic acid

• Acetamide A
• Acetyl chloride B
• Acetic anhydride C
• Ethyl acetate D

Carboxylic acids generally exists in cyclic

• Monomers A
• Dimers B
• Trimers C
• Tetrameter D

Lysine is ______ amino acid

• Acidic A
• Basic B
• Natural C
• None of these D

Ethyl acetate is obtained when methyl magnesium iodide reacts with

• Ethyl formate A
• Ethyl choroformate B
• Acetyl chloride C
• carbondioxide D

Common names of carboxylic acids are given by then:

• Source A
• Person discovered B
• place C
• habit D

An artificial smell of banana is produced in many articles y using esters which of the following is that

• Amyl acetate A
• Isoamyl valerate B
• Octyl acetate C
• Methyl butyrate D

Acetic acid is obtained when

• Methyl alcohol is oxidized with potassium permanganate A
• Calcium acetate is distilled in the presence of calcium formate B
• Acetaldehyde is oxidized with potassium dichromate and sulphuric acid C
• Glycerol is heated with sulphuric acid D

Which of the following is the strongest acid?

• CF₃COOH A
• CBr₃COOH B
• CH₃COOH C
• CCl₃COOH D

Acetic Acid is obtained from:

• Red out A
• Vinegar B
• Butter C
• Milk D

Acyl halide is formed by reacting PCl₅with

• Alcohol A
• Ester B
• Amide C
• Both carboxylic acids as well as esters D

• di(4-bormophenyl) method A
• Methanol B
• Propan-1-ol C
• Propan-2-ol D

Rearrangement of an oxime to an amide in the presence of strong acid is called

• Curtius rearrangement A
• Fries rearrangement B
• Beckman rearrangement C
• Aldol condensation D

Hydrolysis of an ester gives a carboxylic acid which on Kolbe's electrolysis yields ethane. the easter is

• Ethyl methonoate A
• Methyl ethanoate B
• Propylamine C
• Ethylamine D

• Alkyl A
• Alkyl nitrile B
• Cyanogens C
• Amine D

The amino acids which human body can synthesize are called ______ amino acid

• Essential A
• Non essential B
• Acidic C
• Basic D

Sulphonation of benzoic acid produces mainly

• o-Sulphobenzoic acid A
• m-sulohobenzoic acid B
• p-Sulphobenzoic acid C
• o-and p-Sulphobenzoic acid D

The solution of which acid is used for seasoning of food

• Formic acid A
• Acetic acid B
• Benzoic acid C
• Butanoic acid D

When hydrogen cyanide is added to an Aldehyde in the presence of ammonia it is called

• Strecker synthesis A
• Cory house synthesis B
• Williamson;s synthesis C
• None of these D

Amino acids contain functional groups in it:

• --CO-- A
• --OH B
• ---NH₂ C
• All of these D

Which one of the following has been hydroxyl and carboxylic acid groups

• Phenols A
• Picric acid B
• Phthalic acid C
• Salicylic acid D

Monocarboxylic acids exist as dimer because of

• Dipole-dipole attraction A
• Hydrogen bonding B
• Van der Waals forces C
• Conhesive forces D

If acetyl chloride is reducing in the presence of BaSO₄and Pd, then

• CH₃CHO is formed A
• CH₃CH₂OH is formed B
• CH₃COOH is formed C
• CH₃COCH₃is formed D

The M.P. of carboxylic acids containing even number of carbon atoms is ______ than the next

• Higher A
• Low B
• Equal C
• None D

• 
  A
• 
  B
• 
  C
• 
  D

Partial reduction of acetic acid happens with

• NH₃ A
• LiAIH₄ B
• P + HI C
• PCI₅ D