Doubt from Acidic order

Question no 32

x>y>z Is this the correct answer ?!

Yes correct but why

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Question that i am uploading is of mypat preejeemains 10 which was conducted some days ago i had marked option A as answer but answer key says option C is answer but i have doubt in answer key please tell who is correct

Answer should be C. Acetic acid is the most acidic here and acetone is least.
Mainly we have to compare phenol and methanol so let's remove their acidic hydrogen. After removing their acidic H phenol has resonance stabilized conjugate base where as methanol one has not this effect. So, phenol is more acidic.
(Why you marked option A ketone is a neutral group)

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