Rank the transition states that occur during the following reaction steps in order of increasing stability (least→moststable) 1.H3C−+OH2→CH+3+H2O 2.(CH3)3C−+OH2→−(CH3)3C+H2O 3.(CH3)2CH−+OH2→(CH3)2CH++H2O
1 < 2 < 3
2 < 3 < 1
1 < 3 < 2
2 < 1 < 3
A
1 < 2 < 3
B
2 < 3 < 1
C
2 < 1 < 3
D
1 < 3 < 2
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Solution
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(1) (Refer to Image 1)
(2) (Refer to Image 2)
(3) (Refer to Image 3)
Now stability of carbocations: tertiary > secondary > primary. Therefore transition state corresponding to tertiary carbocation will be most stable. So stability order will be 1<3<2.
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