Question

The order of stability of the following tautomeric compounds
is :
OH
|
CH₂ = C - CH₂ - C - CH₃
O O
|| ||
⇋ CH₃ - C - CH₂ - C - CH₃
II
OH O
| ||
⇋ CH₃ - C - CH - C - CH₃ [2013]
(a) III > II > I (b) II > I > III
(c) II > III > I (d) I > II > III

Answer 1

Explanation:

The order of stability of the following tautomeric compounds

is :

OH

|

CH₂ = C - CH₂ - C - CH₃

O O

|| ||

⇋ CH₃ - C - CH₂ - C - CH₃

II

OH O

| ||

⇋ CH₃ - C - CH - C - CH₃ [2013]

(a) III > II > I

(b) II > I > III✔️✔️

(c) II > III > I

(d) I > II > III

Answer 2

$\huge\underline \mathfrak \blue{Answer}$

Explanation

(b) II > I > III