Question

1) Identify the alkyl halide that reacts the fastest in a Sn2 reaction. A) chloromethane B) 2-chloro-2-methylpropane C) 2-chlorobutane D) 1-chlorobutane 2) Identify the alkyl halide that reacts the fastest in an SN 2 reaction. A) 1-bromopropane B) 1-fluoropropane C) 1-chloropropane D) 1-iodopropane 3) Which of the following alkyl halides gives the slowest SN2 reaction? A) CH3CH2C1 B) Ci CH3CCH2CH3 CH3 C) CH3CHCH2CH3 CH2 CH3CHCHCH3 C1 СН3 4) Which of the following alkyl halides gives the fastest SNl reaction? A) CH3CH2CH2 B ) C) CH3CH2CH2BrD CH3CHCH3 ) CH3CHCH3

please answer for me all questions 1-20

Answer 1

. Answer the following 1 Identify the aikui halide that deacts the fastest in a Sy2 Reaction . A CH₂-ci BJ chat ay D na somethane) Bi 2-chloro- 2-chlorobutane dl 1-chloro 2-methyl butone Propane Order of alkyl halide for SN2 Reaction : Chy-* > 1072075° Fast) (Sloco steale hinderance poa nyolcophilic attack) Identify the alkyl halide that deacts the fastest in an Sn2 yeactions AJ BOB Nes N1 order of leaving group; 17 Bayel F (fast) (slow 3) Which of the following aikui halides gives the slowest Sive Reaction ? AJ CH₂ CH₂ cl B Byd cH-&-CH-CH2 CH₂ CH-CH₂ - CH3 (10) CHg (30) CH2 (10) chy-cu-dH-CH₂ . CH₂ (20) Onder of alkyl halide FOY SN2 Ren: CH-*710720 30 CFast) (slow 4 Which of the following aikul halides gives the fastest Sri Reaction ? (20) (2 ) Ај ен ен, ен, 1 8) г-си- си, сј си,-сі, -ch, -8г сна-ен-ен, (1) . Ba

= order of deactivity for alkui halide in Sn1 Reaction 3° > 107 107 H-* (Fast) (Slow ( stability OF caobocation) two option for 20 aikui halide CH₂-CH-CH₂ CH₂-CH=CH₂ (2 ) Ba => order of leaving group ; 1>B2>Cl 7 F 3. Therefore option (B) is correct © Identify the mechanism - -CP, NH, + CH3 - NH, -CHA - ha CH680 (SL, Nucleophils (inveosion) charge quized porŚN2) ET SN2 S SN1 DJ E2. AJ EI Identify the mechanism: CHE H AJ EI BJ SN2 Sne Dj E2 > Readranged product formed by gegadangment of carbocation CHE 4 H₂C-i -6-SH CH3 H Ger [1,2] methyl so "3 The Shift (20 carbocation) CHE 16--cha L "NH₂ CH₂ HC--¢-CHE NHA CH₂ o 10 is a better nucleophile than others.

le is the best leaving group Ans: - O cha-ci ANG: (A) (B) Ondez OF Reactivity → SNI -> 307 2071°> CH3-* (PASE) (30) Ba 959!. CHE-SCH-CHEC1-CH-CH-CHECHE CHE SET (1) CHE LEA) CB) f190) Ba CH₃-CH-CH₂-CH₂-B2 CH₂ . (c) CH₃-CH-CH-CH₂ CHA (20) Ans: Hq 30) CH- CH₃-ch CH₃-CH-CH3 (29) FA (10) CE cos (10) > Onder. Of stablility of carbocation: 3° > 207107 CHE => 3° carabocation qoc Slable due +1 and +H. effect of alkyl Substibuents serbocation as ~ 498 : polar; stat carbon and sat chiodine cha-c! = X(1 720 x = eleetaonegativity Polar bonds

Ans: và c-cm,ch, -1 + Ho • ca-cho-ch-Oh! 418 (Fast SN2 Rean) (1o Substrate and changed Nuccok I CH₂-CH-CH3 favour SN2 Rean) + HOO CH₂-CH-CH₃ + B20 BO он B) CH₃ J CH₃-CH-CH₃ + Hoo → CH₂-CH-CH3 +10 OH DJ CH₂ CH₂ CH₂ 1 + H₂O Ans.. ava → CH₂ CH₂ CH₂-OH + HI (SN2) еНаснува fон 5 сне сH-он * CH₂CH₂-OH + B20 13 (39) - CAI LEB) CD) ( 10 Substrate undergoes faster Beaction) po incl VO -CH-CH3 H CHECH, OH HAY not changca Nucleophila SNI also possible) S H OCHCH 20 Alkyl.( S2 and SNS inversion) (Retention) halides both possible) When SN1 get inversion + Retention ) SN2 get inversion) BO Not ch939ed Nucleophile SNI also possible) HO, (20) changed Nucleophile Retention conversion) SN2 more Ocni parous abcZ ScHa acetones HO

MON VL . Cnatan) Ba Vot changed nucleophile) ocH3 . cHacH. + (2 ) Retention) cinversion)