The correct orders of reactivity towards SN1 reactions is ?
A
I>II>III
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B
II>III>I
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C
III>II>I
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D
I>III>II
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Solution
The correct option is BII>III>I
(Refer to Image)
The order towards SN1 reaction is
II>III>I
The carbocation formed at Bridge-head carbon is unstable. So, I is less reactive, II is more reactive because it forms 3o- carbocation which is highly stable.