An alcohol,$X$ $(C_5H_{12}O)$ in the presence of $Cu / 573 \ K$ gives $Y$ $(C_5H_{10})$. The reactants required for the preparation of $X$ are

  • A
    $(CH_3)_2C=O, \quad C_2H_5MgBr$
  • B
    $HCHO, \quad (CH_3)_3CMgBr$
  • C
    $CH_3CH_2COCH_3, \quad CH_3MgBr$
  • D
    $CH_3CH_2CHO, \quad (CH_3)_2CHMgBr$

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