(A) Arrange the following 2 o alkyl halides in the decreasing order of their rea

Question

(A) Arrange the following 2o alkyl halides in the decreasing order of their reactivity in an SN1 reaction with a nucleophile. Give reasons for your answer.

(B) Look up the structure for indene. Is this molecule aromatic, anti-aromatic or non-aromatic? Identify
the most acidic H in this molecule, if there is any.

Arrange the following 2° alkyl halides in the decreasing order of their reactivity in an Syl reaction with a nucleophile. Give reasons for your answer I. Br II. Look up the structure for indene. Is this molecule aromatic, anti-aromatic or non-aromatic. Identify the most acidic H in this molecule, if there is any

Explanation / Answer

1)

SN1 reaction proceed via carbocation formation

Stable the carbocation formed, more reactive the element will be

A after losing Br- forms carbocation which is aromatic

B after losing Br- forms carbocation which is anti aromatic

C after losing Br- forms carbocation which is non aromatic

so, reactivity oreder will be

A > C > B

i am allowed to answer only 1 question at a time

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