Why can't C6H5COC6H5 show tautomerism?

Dear Student,

Benzophenone does not show tautomerism because it does not contain alpha carbon. Tautomerisation is interconversion of keto and enol form. This conversion happens with the transfer of alpha hydrogen. Benzophenone does not contain this alpha hydrogen, so benzophenone does not show tautomerisation.

Regards

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