Which of the following alkyl halides will undergo the low it so reaction? Rank t

Question

Which of the following alkyl halides will undergo the low it so reaction? Rank the following compounds from most to least reactive in an S_n1 reaction. l>IV>ll>lll ll>l>IV>lll lll>IV>l>ll IV>l>ll>m IV>IH>I>U Rank the following compounds from most to least reactive in an S_N1 reaction. >IV>II>III B) ll>lll>l>IV C) lll>ll>l>IV D) l>UI>ll>IV E) IV>II1>I>>> Predict the product for the following S*_n1 reaction.

Explanation / Answer

30] Remember that SN1 and SN2 reactions only occur for alkyl halides (and related compounds like tosylates and mesylates). If the leaving group is directly attached to an alkene or alkyne, SN1 or SN2 will not occur!

So in 3rd one SN1 reaction doesnt occur at all

In 1st one SN1 rection takes place slowly

31] 3rd one as mentioned in the above answer

32] 3rd one where Br- is better leaving grop than Cl- but primary halide is slow reactive than cyclo one where secondary carbocation forms

33] 2nd one since tertiatry carbocation is more stable

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