Chm 250 please reply ASAP don\'t have much time!!! 8. The reaction of alkyl hali

Question

Chm 250 please reply ASAP don't have much time!!! 8. The reaction of alkyl halides with an ethanolic solution of silver nitrate favors t mechanism, and for this reaction has a higher reactivity than6 pts) A. SNI; bromobenzene; 2-chloro-2-methylpropane B. SN2; iodoethane; 1-chlorobutane C. SN1; 1-bromobutane; 1-chlorobutane D. SN2; 2-bromobutane; 1-chlorobutane he 9. The reaction of alkyl halides with an 18% solution of sodium iodide in acetone favors hemechanism, A. SN1; 1-bromobutane; 1-chlorobutane B. SN2; bromobenzene; 2-bromobutane and for this reaction has a higher reactivity than(6 pts) C. SNI; 1-chloro-2-butene; 2-chloro-2-methylpropane D. SN2; 1-bromobutane; 2-chlorobutane

Explanation / Answer

Ans .8 .A. SN1 ; bromobenzene ; 2-chloro-2-methylpropane

SN1 is nucleophilic substitution reaction which follows first order kinetics .

The reaction rate depends upon the stability of stable carbocation as the intermediate in the first step . Since the pi electrons of the phenyl carbocation formed as the result of thsi mechanism is in the conjugation due to resonance , which provides it extra stability .

Hence bromo benzene is more reactive than 2-chloro-2-methylpropane in Sn1 reactions .

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