Which one is correct decreasing order of SN1 reactivity of the following molecule 1) thiophene 2) pyridine
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In the SN1 reaction carbocation intermediate is formed.
More stable the carbocation more is the reactivity.
Stability order for carbocation is:
Benzyl > Allyl carbocation > secondary carbocation > primary
The correct decreasing order of SN1 reactivity is;
I.PhCH2X>II.CH2=CHCH2X>III.Me2CHX>IV.C2H5X
Option A is correct.
Explanation:
Hope this helps you.
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