Question

Please help me

Which is most stable ?

Answer 1

LOL, The answer is given. Do you want to know the reason??

Answer 2

Yes

Answer 3

Do you know of keto- enol resonance ??

Answer 4

yes

Answer 5

See, among the list of given compounds, the one which can easily be converted to the other form(i.e either keto or enol) are unstable. Whereas, the given answer is most stable in the given form and the other form given by keto-enol resonance will be unstable

Answer 6

ohk thanks a lot for help

Answer 7

yw :)