oo AT&T; 11:59 5596 D + dl-mail.ymail.com c) either one can be done first. d) it
ID: 977214 • Letter: O
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oo AT&T; 11:59 5596 D + dl-mail.ymail.com c) either one can be done first. d) it needs reduction. 16. When m-Bromoethylbenzene is synthesized from benzene, a) Friedel-Craft alkylation has to be the first step, then bromination. b) Bromination has to the first step, then Friedel-Craft alkylation. c) either one can be done first. d) none of these. 17. Which of the following compounds is the most reactive dienophile ir a Diels-Alder reaction with 1,3-butadiene? a) CH2 CH-OCH b) CH CH-CHO CH d) CH-CH -CH-CH c CH,CH -CH 18. What would be the product of the following reaction, benzene+ propylchloride/AIC13? b) c) 19. Which of the following compounds is least reactive in the nucleophilic aromatic subsitution reaction with NaOH? a) 2,4-dinitrochlorobenzene b) m-nitrochlorobenzene nitrochlorobenzene d) p-nitrochlorobenzene c)o- 20. Which one is not the major product of nitration of p- bromobenzaldehyde? a) b) OJN 21. Which one is the worst diene for the Diels-alder reaction?Explanation / Answer
16. Answer is D
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