### Question
 
> [![enter image description here][1]][1]
>
> Which form of 1-phenylbutane-1,3-dione is more stable?

### Answer

> 3-hydroxy-1-phenylbut-2-en-1-one 

### My question

I've been told that between the above two, 3-hydroxy-1-phenylbut-2-en-1-one is more stable because the double bond is in the middle which is unclear to me.

Could someone explain the above statement?


  [1]: https://i.sstatic.net/qLuSK.png