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MCQs

Total Questions : 1678 | Page 6 of 168 pages
Question 51. Ethanoyl chloride will react with concentrated ammonia solution to produce
  1.    methanamine
  2.    ethanoic acid
  3.    Methanoic acid
  4.    ethanamide
 Discuss Question
Answer: Option D. -> ethanamide
Answer: (d).ethanamide
Question 52. Amides give products of sodium salt of carboxylic acid and primary amine in presence on aqueous sodium hydroxide by reacting with
  1.    acids
  2.    bases
  3.    alkalis
  4.    metals
 Discuss Question
Answer: Option C. -> alkalis
Answer: (c).alkalis
Question 53. CH₃CONH₂ is formula for
  1.    amine
  2.    alkyl
  3.    methanamide
  4.    ethanamide
 Discuss Question
Answer: Option D. -> ethanamide
Answer: (d).ethanamide
Question 54. Structural formula -CONH₂ is representing
  1.    alkyls
  2.    amines
  3.    amides
  4.    arenes
 Discuss Question
Answer: Option C. -> amides
Answer: (c).amides
Question 55. Amides are refluxed for hydrolysis by
  1.    sodium chloride only
  2.    sodium hydroxide only
  3.    sodium chlorate
  4.    sodium chloride and sodium hydroxide
 Discuss Question
Answer: Option D. -> sodium chloride and sodium hydroxide
Answer: (d).sodium chloride and sodium hydroxide
Question 56. Due to the presence of lone pair of electrons on nitrogen atom amines and ammonia acts as
  1.    bases
  2.    acids
  3.    alkalis
  4.    amphoteric
 Discuss Question
Answer: Option B. -> acids
Answer: (b).acids
Question 57. Nitrous acid is made in test tube because it is
  1.    stable
  2.    unstable
  3.    unreactive
  4.    volatile
 Discuss Question
Answer: Option B. -> unstable
Answer: (b).unstable
Question 58. Reduction of nitrobenzene will produce
  1.    phenyl amine only
  2.    water only
  3.    carboxylic acids
  4.    phenyl amine and water
 Discuss Question
Answer: Option D. -> phenyl amine and water
Answer: (d).phenyl amine and water
Question 59. The reaction in which diazonium ion reacts with an alkaline solution of phenol to produce azo dye is called
  1.    coupling reaction
  2.    desorption
  3.    diazotization
  4.    assimilation
 Discuss Question
Answer: Option A. -> coupling reaction
Answer: (a).coupling reaction
Question 60. Some primary amines do not have NH₂ group at the end and are indicated by
  1.    numbering
  2.    alphabets
  3.    roman letters
  4.    Greek letters
 Discuss Question
Answer: Option A. -> numbering
Answer: (a).numbering

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