A for effort !
what makes you think that what you have isn't x? describe in more detail how you worked-up the Al/Hg rxn. and describe at what point you had "white fluff 'falling out of solution.
also if you have any of the ketone left, get some sodium metabisulfite at a wine brewing shop and run a quik bisulfite test, then you will know more precisely where things may have gone wrong