Which compound out of the following pairs will react faster in `SN^(1)` reaction and why ? `CH_(2)=CHBr` or `CH_(2)=CHCH_2Br`

Of the following pairs, which is the faster SN^2 reactions ?

Of the following pairs, which is the faster SN^1 reactions ? .

Which compound in each of the following paris will react faster in SN^(2) reaction with HO^(o-) ? a. CH_(3)Br or CH_(3)I b. (CH_(3))_(3)CCl or CH_(3)Cl c. CH_(2) = CHBr or CH_(2) = CH - CH_(2)Br

Which compound in the following pairs will react faster in S_N^(2) reaction? (a). CH_(3)Br or CH_(3)I (b). (CH_(3))_(3)C Cl or CH_(3)Cl

Which compound in each of the following pairs will react faster in S_(N)2 reaction with .^(–)OH ? (i) CH_(3)Br or CH_(3)I , (ii) (CH_(3))_(3)C Cl or CH_(3)Cl