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11 Nov 2019
PART A. Please circle the best answer for the ques Pe 1. The following reaction will give products of neither of electrophilic or nucleophilic reactió which one is not forming from the reaction. PROPYLCHLORIDE/ACI) + "> pBromotoluene 2. Which one is HOMO of 1,3-butadiene in the ground state? a) 908 8 008888 88 c) d) 3.Which one is not a correct statement? Both of the following compounds are aromatic, since a) the lone pair of nitrogen is not part of Huckel's rule. b) two lone pairs electron of oxygen is a part of Huckel's rule. c) both are considered as cyclic conjugate pi system. d) furan is an aromatic since only one pair of lone pair electron is a part Huckel's rule. 4. Which one is not the major product of nitration of p-bromobenzaldehyde? a) b) c) d) O2N 5. Which molecule is aromatic? b) 6. The nitration of aniline: a) Proceeds more rapidly than the nitration of benzene and yields meta product as major. b) Proceeds more rapidly than the nitration of benzene and yields o,p-products as major. c) Proceeds more slowly than the nitration of benzene and yields meta product as major. d) Proceeds more slowly than the nitration of benzene and yields o,p-products as major. 7. In the Friedel-Craft acylation (CH COCI) on toluene, it gives? a) m-xylene c) ortho and para xylenes b) m-methyl acetophenone d) o- and p-methyl acetophenones 8. Which of the following will undergo chlorination, Cl/AICI, most slowly? a) Benzaldehyde b) Acetophenone c) Benzonitrile d) Nitrobenzene
PART A. Please circle the best answer for the ques Pe 1. The following reaction will give products of neither of electrophilic or nucleophilic reactió which one is not forming from the reaction. PROPYLCHLORIDE/ACI) + "> pBromotoluene 2. Which one is HOMO of 1,3-butadiene in the ground state? a) 908 8 008888 88 c) d) 3.Which one is not a correct statement? Both of the following compounds are aromatic, since a) the lone pair of nitrogen is not part of Huckel's rule. b) two lone pairs electron of oxygen is a part of Huckel's rule. c) both are considered as cyclic conjugate pi system. d) furan is an aromatic since only one pair of lone pair electron is a part Huckel's rule. 4. Which one is not the major product of nitration of p-bromobenzaldehyde? a) b) c) d) O2N 5. Which molecule is aromatic? b) 6. The nitration of aniline: a) Proceeds more rapidly than the nitration of benzene and yields meta product as major. b) Proceeds more rapidly than the nitration of benzene and yields o,p-products as major. c) Proceeds more slowly than the nitration of benzene and yields meta product as major. d) Proceeds more slowly than the nitration of benzene and yields o,p-products as major. 7. In the Friedel-Craft acylation (CH COCI) on toluene, it gives? a) m-xylene c) ortho and para xylenes b) m-methyl acetophenone d) o- and p-methyl acetophenones 8. Which of the following will undergo chlorination, Cl/AICI, most slowly? a) Benzaldehyde b) Acetophenone c) Benzonitrile d) Nitrobenzene
Bunny GreenfelderLv2
3 Jan 2019