`underset("Ethanol")(C_(2)H_(5)OH) overset(Cu//573 K)(rarr)underset("Ethanal (X)")(CH_(3)-overset(O)overset(||)(C)-H) overset(CH_(3)MgBr)(rarr) [CH_(3)-underset(CH_(3))underset(|)overset(OMgBr)overset(|)(C)-H]overset(H_(2)O //H^(+))(rarr)underset("Propan-2-ol")(CH_(3)-underset(CH_(3))underset(|)overset(OH)overset(|)(C)-H)`