Answer the following questions and then press 'Submit' to get your score. Question 1 Which is the most probable main product of the following reaction? □ a) □ b) □ c) □ d) .CO,H AICI3 nitrobenzene 0°C O: CO₂H Question 2 Which is the most probable main product of the following reaction? □ a) NHAC HNO3 AcOH NHAC NO2 NO2 NHAC □ b) NHAC □ c) NO2 NHAC d) O₂N Question 3 Which is the most probable main product of the following reaction? NHAC HNO3 AcOH NHAC □ a) NO2 NHAC NO2 □ b) NHAC c) O₂N NHAC □ d) NO2 Question 4 Which is the most probable main product of the following reaction? □ a) CH COCI AICI nitrobenzene <0°C сосн COCH3 C b) COCH3 CC) COCH, COCH3 □ d) Question 5 Which compound is most basic? ZI □ b) □ c) □ d) ZI Question 6 Which compound is least basic? □ a) c b) □ c) □ d) Question 7 Which is most reactive in electrophilic aromatic substitution? □ a) □ b) □ c) □ d) Question 8 Which of (a)-(d) is not aromatic? □ a) □ b) □ c) OH □ d) Question 9 Which is the most probable main product of the following reaction? Br2 Ca) Br Br. □ b) □ c) Br cd) ZI Br Question 10 Which of the following equations shows an unlikely result? HNO3, H₂SO4 NO₂ □ b) (CH,CO)2O COCH₂ 2.0-90 CI □ c) NO₂ HNO3, H₂SO4 Cd) Question 11 Which is impossible as a resonance contributor of anthracene. □ b) □ d) Question 12 Which of (a)-(d) is the most important resonance contributor of the intermediate naphthalenium ion in an electrophilic substitution reaction of naphthalene? HE ய + E+ HE □ a) HE □ b) HE □ d) HE + H+ Question 13 Naphthalene-2-ol (2-naphthol) readily gives a dibromo substitution product with bromine in ethanoic acid. What is the most likely structure of this compound? Br OH Ca) Br Br OH □ b) Br OH Br OH d) Br Question 14 Which is the most probable main product of the following reaction? Ca) □ b) □ c) Cd) CO₂H MeSO₂H Question 15 Which is most reactive towards an electrophile? □ a) □ b) □ c) □ d) Question 16 Which is least reactive towards an electrophile? □ a) C b) □ c) □ d) Question 17 Which is most stabilized by electron delocalization (resonance)? □ a) □ b) □ c) □ d) Question 18 Which of (a)-(d) is not aromatic? □ a) □ b) □ c) □ d) BH Question 19 Which is the most probable main product of the following reaction? HNO3, H₂SO4 Ca) NO2 □ b) NO₂ □ c) NO₂ □ d) Question 20 Which of the following reactions does not give a heterocyclic compound as indicated? AcOH + MeNH, □ a) Me AcOH + PhNH2 MeO OMe □ b) Ph AcOH + MeNH, Me □ c) АСОН + HONH, □ d)