Choose the compound from the following that will react fastest by SN1 Mechanism: a) 1-Iodo butane b) 1-iodopropane c)2-iodo-2-mehtyl butane d)2-iodo-3-mehtyl butane
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In SN 2 reaction, steric factors determine the reactivity. more reactive alkyl halides have less steric hinderance. Hence, the decreasing order of the reactivity of alkyl halides is 1 o >2 o >3 o .
(i) 1-Bromopentane > 2-Bromopentane > 2-Bromo-2-methylbutane
(ii) 1-Bromo-3-methylbutane > 2-Bromo-3-methylbutane > 2-Bromo-2-methylbutane
(iii) 1-Bromobutane > 1-Bromo-3-methylbutane > 1-Bromo-2-methylbutane > 1-Bromo-2, 2-dimethylpropane
Explanation:
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