Aromatic Chemistry Multiple Choice Past Paper PDF

Q1.Ethanoyl chloride reacts with methylbenzene forming compound X according to the equation below. If the experimental yield is 40.0%, the mass in grams of X (Mr = 134.0) formed from 18.4 g of methylbenzene (Mr = 92.0) is A 26.8 B 16.1 C 10.7 D 7....

Q1.Ethanoyl chloride reacts with methylbenzene forming compound X according to the equation below. If the experimental yield is 40.0%, the mass in grams of X (Mr = 134.0) formed from 18.4 g of methylbenzene (Mr = 92.0) is A 26.8 B 16.1 C 10.7 D 7.4 (Total 1 mark) Q2.In a reaction which gave a 27.0% yield, 5.00 g of methylbenzene were converted into the explosive 2,4,6-trinitromethylbenzene (TNT) (Mr = 227.0). The mass of TNT formed was A 1.35 g B 3.33 g C 3.65 g D 12.34 g (Total 1 mark) Page 2 PhysicsAndMathsTutor.com Q3.This question is about the following reaction scheme which shows the preparation of polymer P. If 1.0 kg of benzene gave 0.98 kg of J, the percentage yield of J was A 64 B 66 C 68 D 70 (Total 1 mark) Q4.In which one of the following reactions is the role of the reagent stated correctly? Reaction Role of reagent A TiO2 + 2C + 2Cl2 → TiCl4 + 2CO TiO2 is an oxidising agent B HNO3 + H2SO4 → H2NO + HSO HNO3 is a Brønsted-Lowry acid C CH3COCl + AlCl3 → CH3CO+ + AlCl AlCl3 is a Lewis base D 2CO + 2NO → 2CO2 + N2 CO is a reducing agent (Total 1 mark) Page 3 PhysicsAndMathsTutor.com Q5.The relative molecular mass (Mr) of benzene-1,4-dicarboxylic acid is A 164 B 166 C 168 C 170 (Total 1 mark) Q6.1,3-dinitrobenzene can be prepared by heating nitrobenzene with a mixture of fuming nitric acid and concentrated sulphuric acid. The reaction can be represented by the following equation. If the yield of the reaction is 55%, the mass of 1,3-dinitrobenzene produced from 12.30 g of nitrobenzene is A 16.90 g B 16.80 g C 9.30 g D 9.24 g (Total 1 mark) Page 4 PhysicsAndMathsTutor.com Q7.Which one of the following can react both by nucleophilic addition and by nucleophilic substitution? A B C D (Total 1 mark) Q8.Which one of the following does not contain any delocalised electrons? A poly(propene) B benzene C graphite D sodium (Total 1 mark) Page 5 PhysicsAndMathsTutor.com