Question

Which compound reacts fastest by SN1 mechanism *

(CH3)2CHI

C3H2I

(CH3)3Cl

CH3CH2CH2I

​

Answer 1

Answer:

C3H2I

Explanation:

Answer akording me.

Answer 2

For SN1 reaction, the carbocation formed must be more stable

1st option will form secondary carbocation

2nd option will form primary carbocation

3rd option will form tertiary carbocation

and 4th option will form primary carbocation, but after hydride shift, the primary carbocation becomes secondary carbocation

The stability of carbocation increases as follows

primary > secondary > tertiary

Since tertiary is more stable the answer is (CH₃)₃CCl (opt 3 and you left one carbon atom)

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