Q.1
What will be the product formed when phenol reacts with Br2 in CCl4 medium?
  • a) 3-Bromophenol
  • b) 4- Bromophenol
  • c) 3,5-Dibromophenol
  • d) 2,4,6-Tribromophenol
Q.2
What is the electrophile in the electrophilic substitution reaction of benzene using oleum and conc. H2SO4?
  • a) SO3
  • b) NO3
  • c) NO2+
  • d) NO+
Q.3
What will be the attacking electrophile in this reaction?
Questionorganic-chemistry-questions-answers3.jpg
  • a) Carbanion
  • b) Halonium
  • c) Radical
  • d) Transition state
Q.4
Which of the following aromatic compounds undergo Friedel–Crafts alkylation with methyl chloride and aluminum chloride?
  • a) Benzoic acid
  • b) Nitrobenzene
  • c) Toluene
  • d) Aniline
Q.5
What will be the product in the given reaction?
Questionorganic-chemistry-questions-answers5.jpg
  • a) m-chlorophenol
  • b) o-chlorophenol and p-chlorophenol
  • c) o-hydroxytoluene and p-hydroxytoluene
  • d) m-hydroxytoluene
Q.6
What is the electrophile in the acylation of benzene?
  • a) AlCl3
  • b) CO+
  • c) Cl+
  • d) R-CO+
Q.7
How would you synthesis the following reaction?
Questionorganic-chemistry-questions-answers7.jpg
  • a) conc. HNO3 + conc. H2SO4
  • b) conc. HNO3
  • c) anhydrous AlCl3 + Ph-NO2
  • d) conc. H2SO4 + Oleum
Q.8
Which of the following reactants can be used to carry out following reaction?
Questionorganic-chemistry-questions-answers8.jpg
  • a) conc. HNO3 + conc. H2SO4
  • b) HCl + CO + AlCl3
  • c) anhydrous AlCl3 + Ph-NO2
  • d) conc. H2SO4 + Oleum
Q.9
What will be the product in the given reaction?
Questionorganic-chemistry-questions-answers9.jpg
  • a) m-chlorotoluene
  • b) o-chlorotoluene and p-chlorotoluene
  • c) 1-chloro-3-methylbenzene
  • d) no reaction
Q.10
Which of the following is the most activating in electrophilic aromatic substitution?
  • a) -NO2
  • b) -NHCOCH3
  • c) -CN
  • d) -NH2
0 h : 0 m : 1 s