A State and explain which of the following compounds you would expect to react most rapidly by an…

A State and explain which of the following compounds you would expect to react most rapidly by an SN1 mechanism. I (CH3)3CBr II CH3CH2CH2CH2Br III (CH3)3CCl IV CH3CH2CH2CH2Cl b State and explain which of the following compounds you would expect to react most rapidly by an SN2 mechanism. I (CH3)3CBr II CH3CH2CH2CH2I III (CH3)3CI IV CH3CH2CH2CH2Br