Organic Chemistry - RATE OF DEHYDRATION

29

govind ·2010-02-24 22:48:30

Ans..2>1>3

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rahul1995 yadav ·2010-02-24 22:55:16

YES EXPLANATION PLZ

I THOUGHT I>2>3 (RESONACE STABILISATION )

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39

Pritish Chakraborty ·2010-02-24 23:16:58

2 > 1 > 3 because in 2 there is resonance stabilisation by benzene ring, in 1 there is resonance stabilisation by allyl cation, and 3 there is instability by vinyl cation formation.

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rahul1995 yadav ·2010-02-25 08:43:30

thx

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23

qwerty ·2010-09-28 07:55:52

i think it shud be 1 > 2 >3 bcz in 1 the carbocation can be stabilized thru resonance even without disturbing the aromaticity of benzene ring , and it can be stabilized thru resonance by benzene ring also, and that too with extended conjugation

so 1> 2 ....

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shubhi gupta ·2010-10-23 09:43:17

1>2>3

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