Arrange the alkyl halides in order of increasing reactivity in an Sn2 reaction with Kl in acetone (least first).

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,CH,Br CI CCH, Br CH, I TI E TV OI 1, IV, III, II O III, II, IV, I O II, III, I, IV L O II IV, I, III, 11 Arrange the alkyl halides in order of increasing reactivity in an SN2 reaction with Kl in acetone (least first). o CH CH Br Oo ooo CGH, -Br I, IV, III, 11 O IUI, II, IV, I O II, III, I, IV O IV, I, III, II Which conditions are optimum for an SNI reaction? CHCHCI NacN acetone HC CHCI HC b) HO CHOH CH_CH_CH_Br NaSH DMSO CH; DMSO HCCCI NaCN CH; o a ob ed