Which one of the following is likely to give a precipitate with AgNO₃ solution ?

Heating of 2-chloro-1-phenylbutane with EtOK/EtOH gives X as the major product. Reaction of X with Hg(OAc)₂/H₂O followed by NaBH₄ gives Y as the major product. Y is :

The major product 'Y' in the following reactions is :

The major product obtained in the given reaction is :