QUESTION 4 Arrange the alkyl halides in order of increasing reactivity in an SN2 reaction with KI in acetone (i.e., least reactive first). Cl CCH3 CH3 CH2CH2Bt Cl Br ãl, IV, 111, 11 O 11, ll, i, IV O II, II, IV,I QUESTION5 Which of the haloalkanes below would you expect to most rapidly undergo the SN1 reaction shown? H2O RX ROH HX acetone O CH3CH2Br CH3Br O(CH3)3CBr CH3CHBrCH3