a. Higher, lower b. Lower, higher c. Higher, higher d. Lower, lower e. None of t

Question

a. Higher, lower b. Lower, higher c. Higher, higher d. Lower, lower e. None of the above
11. The following cation will be: a. Aromatic b. Heteroaromatic c. Antiaromatic d. Both a & b e. Nonaromatic
14. Atorvastatin (Lipitor), the top selling marketed drug, is a derivative of: a. Pyrrole b. Indole c. Thiophene d. Imidazole e. None of the above
17. Carbocation is a typical: a. Aromatic compound b. Heteroaromatic compound c. Monocyclic compound d. Catalyst e. Electrophile
18. In Friedel-Crafts acylation reaction of benzene, the electrophile is: a. Benzene b. Acylium ion c. Alkyl radical d. Lewis base e. None of the above
21. In Friedel-Crafts reaction new bond formation takes place between: a. Carbon and Nitrogen atom b. Carbon and a bromine atom c. Carbon and a sulfur atom d. Two Carbon atoms e. No new bond is formed
24. The main product in the Friedel-Crafts acylation reaction is: a. Alkyl halide b. Carbocation c. Alcohol d. Bromobenzene e. Ketone

Explanation / Answer

4-c

11-a

14-e

17-e

18-b

21-d

24-e

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