1.What is Z in the following reactions?BCl3+H2→Cu−Al 450∘CX+HClBCl_3 + H_2 \xrightarrow{Cu-Al \, 450^\circ C} X + HClBCl3+H2Cu−Al450∘CX+HClX→methylationZX \xrightarrow{methylation} ZXmethylationZa.(CH3)BH2(CH_3)BH_2(CH3)BH2b.(CH3)4B2H2(CH_3)_4B_2H_2(CH3)4B2H2c.(CH3)3B2H3(CH_3)_3B_2H_3(CH3)3B2H3d.(CH3)6B2(CH_3)_6B_2(CH3)6B2Login to continueOnly logged in users canattempt or see the solution.