ECAT Pre Engineering Chemistry Chapter 24 MCQ Test With Answer

Which compound is both chiral and acidic

• 
  A
• 
  B
• 
  C
• 
  D

Given below are some statements concerning formic acid, which of them is true?

• It is a weaker acid than acetic acid A
• It is a reducing agent B
• When its calcium salt is heated, it forms a ketone C
• It is an oxidizing agent D

The acid present in the stings of bees and wasps in

• Acetic acid A
• Formic acid B
• Formalin C
• Formaldehyde D

Amino acids contain functional groups in it:

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

Etherification is catalyzed by

• Acids A
• Gases B
• Salts C
• None of the these D

Hydrolysis of alkyl nitriles gives:

• alkane A
• alkyl halide B
• alkyl nitride C
• carboxylic acids D

The solution of which acid is use for seasoning of food?

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

Fatty acids are:

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

Acetic acids react with PCI5 giving:

• Acetamide A
• Acetyl chloride B
• Alcohol C
• Ether D

• 
  A
• 
  B
• 
  C
• 
  D

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

• Acetic acid A
• Salicaylic acid B
• Formine acid C
• Benzoic acid D

The organic compounds containing Ph-OH group are called:

• Phenol A
• aldehyde B
• Keton C
• Carboxylic acids D

What will happen if LiAIH₄is added to an ester?

• Two units of alcohol are obtained A
• One unit of alcohol and one unit of acid is obtained B
• Two units of acids are obtained C
• None of these D

Hydrolysis of alkyl nitriles is done to get carboxylic acids in the presence of

• Mineral acids A
• Mineral alkalies B
• Organics acids C
• Minerals acids & alkalies D

The order of decreasing ease of reaction with ammonia is

• Anhydrides, esters, ethers A
• Anhydrides, ethers, esters B
• Ethers, anhydrides, esters C
• Esters, ethers, anhydrides D

Boiling point of acetic acid is°C:

• 116 A
• 117 B
• 118 C
• 119 D

Glacial acetic acid freezes to ice like solid it.

• 07 A
• 17 B
• 27 C
• 37 D

Ethyl alcohol reacts with acetyl chloride to form

• Ethyl chloride A
• Acetic acid B
• Methyleacetate C
• Ethyleacetate D

Which acid is used in the manufacture of synthetic fibre

• Formic acid A
• Phthalic acid B
• Carbonic acid C
• Acetic acid D

• It decolourises aqueous bromine rapidly A
• It is insoluble in water B
• It reduces Fehling's reagent C
• Two molecules react with each other in the presence of a strong acid D

Glutamic acid, aspartic acid are ______ amino acid

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

Which reagent is used to reduce a carboxylic group to an alcohol

• H₂/Ni A
• H₂/Pt B
• NaBH₄ C
• LiAIH₄ D

Carboxyl group has functional group in it:

• One A
• Two B
• Three C
• Four D

Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBh₄or LiAH₄?

• 1-Propanol A
• 2-Propanol B
• 2-Methyl2-Proponal C
• Ethanol D

Which of the following is not fatty acid?

• Propanoic acid A
• Acetic acid B
• Phthalic acid C
• Butanoic acid D

Heating a mixture of sodium benzoate and soda lime gives

• Methane A
• Benzene B
• Sodium bezoate C
• Calcium benzoate D

Which are used as essences (flowers)?

• Aldehydes A
• Ketones B
• Alcohols C
• Esters D

Those amino acids which contain two carboxylic groups are called ______ amino acids

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

When acetamide reacts with Br₂and caustic soda, then we get

• Acetic acid A
• Bromoacetic acid B
• Methyl amine C
• Ethylamine 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