Reactions of Phenols MCQ

Test your knowledge with important Reactions of Phenols MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Reactions of Phenols MCQs on Bissoy. Bissoy App

• Phenol undergoes ionization to become more stable by reacting with which of the following chemical species?
  ক

  negative ions

  খ

  positive ions

  গ

  radicals

  ঘ

  neutral atoms
• Bakelite is formed when phenol react with which of the following reactant?
  ক

  Formaldehyde

  খ

  Hydrogen

  গ

  Nitric acid

  ঘ

  Sulphuric acid
• Picric acid is formed when phenol react with which of the following reactant?
  ক

  Formaldehyde

  খ

  Hydrogen

  গ

  Nitric acid

  ঘ

  Hydrochloric acid
• What is the major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide?
  ক

  Benzoic acid

  খ

  Salicyladehyde

  গ

  Salicylic acid

  ঘ

  Phthalic acid
• Which of the following regents may be used to distinguish between phenol and benzoic acid?
  ক

  Aqueous NaOH

  খ

  Tollen’s reagent

  গ

  Molisch reagent

  ঘ

  Neutral FeCl3
• Bromine reacts with phenol and decolorize orange color and turns it to which of the colored precipitate?
  ক

  white precipitate

  খ

  pink precipitate

  গ

  blue precipitate

  ঘ

  black precipitate
• Phenol reacts with bromine in carbon disulphate at low temperature to give which of the following product?
  ক

  m-bromophenol

  খ

  o-and p-bromophenol

  গ

  p-bromophenol

  ঘ

  2,4,6-tribromophenol
• When phenol is treated with excess of bromine water, it gives which of the following product?
  ক

  m-bromophenol

  খ

  o-and p-bromophenol

  গ

  2,4-dibromophenol

  ঘ

  2,4,6-tribromophenol
• Salicylaldehyde can be prepared from which of the following reactants?
  ক

  Phenol and chloroform

  খ

  Phenol, chloroform and sodium hydroxide

  গ

  Phenol, carbon tetrachloride and NaOH

  ঘ

  Phenol, carbon tetrachloride
• Phenolphthalein is obtained by heating phenol with conc. H2SO4 and which of the following reactant?
  ক

  Benzyl alcohol

  খ

  Benzene

  গ

  Benzoic acid

  ঘ

  Phthalic anhydride