On the basis of reactions given below identify $X, Y, Z$.
$Boron \xleftarrow{Mg \, or \, Fe} X \xleftarrow{\Delta} B(OH)_3 + \text{Gas-}Z$
$B(OH)_3 \xleftarrow{H_2O} Y \xrightarrow{2NH_3/\Delta} \text{Inorganic benzene}$

  • A
    $X = [B(OH)_4]^-, Y = BN, Z = N_2$
  • B
    $X = [B(OH)_4]^-, Y = B_2O_3, Z = O_2$
  • C
    $X = B_2O_3, Y = BCl_3, Z = HCl$
  • D
    $X = B_2O_3, Y = B_2H_6, Z = H_2$

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