17. Which of the following is a secondary alkyl halide? A) (CH)CHCHCI 18. Which of the...

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17. Which of the following is a secondary alkyl halide? A) (CH₂)₂CHCH₂CI 18. Which of the following is a tertiary alkyl halide? A) (CH₂)₂CHCH₂Cl B) (CH₂)2CCICH₂CH₂ C) (CH₂)2CHCHCICH, D) 19. Which of the following is a secondary alkyl halide? 1-Bromo-2-methylpropane B) (CH₂):CCICH, C) (CH₂):CHCHCICH, D) (CH₂)2CHCH₂CCI(CH3)2 III A) C) 1-Bromobutane 20. Which of the following is a tertiary alkyl halide? A) B) 1-Bromo-2-methylpropane 1-Bromobutane C) D) 21. Which of the following is not a possible step in a substitution reaction? A) I e + Br B) II C) 22. Consider the following SN2 reaction, + NaN3 (CH₂)2CHCH₂CHCICH₂CH₂ + Br A) No effect D) It would increase four times II B) D) IV. 2-Bromopropane 2-Bromo-2-methylpropane OH 2-Bromopropane 2-Bromo-2-methylpropane H III D) IV + NaCl OH₂ Br 23. Assuming no other changes, what is the effect on the rate, if the concentration of 1-chloro-3- methylbutane is doubled? B) It would double the rate C) It would triple the rate E) It would reduce by half 17. Which of the following is a secondary alkyl halide? A) (CH₂)₂CHCH₂CI 18. Which of the following is a tertiary alkyl halide? A) (CH₂)₂CHCH₂Cl B) (CH₂)2CCICH₂CH₂ C) (CH₂)2CHCHCICH, D) 19. Which of the following is a secondary alkyl halide? 1-Bromo-2-methylpropane B) (CH₂):CCICH, C) (CH₂):CHCHCICH, D) (CH₂)2CHCH₂CCI(CH3)2 III A) C) 1-Bromobutane 20. Which of the following is a tertiary alkyl halide? A) B) 1-Bromo-2-methylpropane 1-Bromobutane C) D) 21. Which of the following is not a possible step in a substitution reaction? A) I e + Br B) II C) 22. Consider the following SN2 reaction, + NaN3 (CH₂)2CHCH₂CHCICH₂CH₂ + Br A) No effect D) It would increase four times II B) D) IV. 2-Bromopropane 2-Bromo-2-methylpropane OH 2-Bromopropane 2-Bromo-2-methylpropane H III D) IV + NaCl OH₂ Br 23. Assuming no other changes, what is the effect on the rate, if the concentration of 1-chloro-3- methylbutane is doubled? B) It would double the rate C) It would triple the rate E) It would reduce by half

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