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The order of stability of the following ...

The order of stability of the following tautomeric compounds is
(i). `CH_(2)=overset(OH)overset(|)(CH)-CH_(2)-overset(O)overset(||)(C)-CH_(3)hArr`
(ii). `CH_(3)-overset(O)overset(||)(C)-CH_(2)-overset(O)overset(||)(C)-CH_(3)hArr`
(iii). `CH_(3)-overset(OH)overset(|)(C)=CH-overset(O)overset(||)(C)-CH_(3)`

A

`IIIgtIIgtI`

B

`IIgtIgtIII`

C

`IIgtIIIgtI`

D

`IgtIIgtIII`

Text Solution

Verified by Experts

The correct Answer is:
1
Acetyl acetone is liquid and exist mainly as III due to intromolecular `H-` bonding and the correct answer is `IIIgtIIgtI`.
However in aqueous medium, the correct answer is `IIgtIIIgtI`.
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