ECAT Pre Engineering Chemistry Chapter 24 MCQ Test With Answer

• Elimination Esterification A
• Elimination Isomerisation B
• Oxidation Exterification C
• Oxidation Oxidation D

Which of the following compounds on boiling with KMnO₄(alk) and subsequent acidification will not give benzoic acid?

• Benzyl alcohol A
• Acetophenone B
• Anisole C
• Toluene D

Optical activity is possible in

• Oxalic acid A
• Acetic acid B
• Tartaric acid C
• Formic acid D

Which acid is used in the manufacture of synthetic fibre

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

Boiling point of acetic acid is°C:

• 116 A
• 117 B
• 118 C
• 119 D

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

General formula of aromatic carboxyl acids

• R---------------OH A
• RCOOH B
• RCOR C
• ARCOOH D

Acetic Acid reacts with PCl₅ giving:

• Acetamid A
• Acetyl chloride B
• Alcohol C
• ether D

A colourless liquid, at room temperature reacts with soda lime to form sodium salt of carboxylic acid and ammonia gas. The liquids is

• Propanamide A
• Propanoic acid B
• Formamide C
• Methyl Ethanoate D

Ethyl acetate is obtained when methyl magnesium iodide reacts with

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

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

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

• 07 A
• 17 B
• 27 C
• 37 D

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

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

Acyl halide is formed by reacting PCl₅with

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

Which compound is both chiral and acidic

• 
  A
• 
  B
• 
  C
• 
  D

Which acid is used in the manufacture of synthetic fibre?

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

Lactic acid on heating with dil. H₂SO₄gives

• Acetic acid A
• Propionic acid B
• Acrylic acid C
• Formic acid D

Of the following four reactions, formic acid and acetic acid differ in which respect?

• Replacement of hydrogen by sodium A
• Formation of ester with alcohol B
• Reduction of Fehling solution C
• Blue litmus reaction D

From the following values of dissociation constants of four acids which value represents the strongest acid?

• 2 x 10^-2 A
• 0.02 x 10^-1 B
• 3 x 10^-4 C
• 2 x 10^-4 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

The common name of propanoic acid is

• Acetic acid A
• Formic acid B
• Propionic acid C
• Butyric acid D

When a carboxylic acid reacts with alcohol, it produces a new class of compounds

• Ethers A
• Esters B
• Anhydride C
• Amides D

Which of the following is not a fatty acid?

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

Lactic acid on oxidation by alkaline potassium permanganate gives

• Tartaric acid A
• Pyruvic acid B
• Cinnamic acid C
• Propionic acid D

• Proton donar A
• Dehydrating agent B
• Catalyst C
• Electrophile D

Etherification is catalyzed by

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

Carboxylic acids are reduced to in presence of NaAIH₄

• Esters A
• Acetyl chloride B
• alcohol C
• Aldehydes D

Carboxylic acids functional group is:

• ----COOH A
• ----CO--- B
• ----OH C
• -----COH 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