$\begin{array}{1 1} \text{(1) One mole of NaOH and one mole of} Br_2 \\(2) \text{Four moles of NaOH and two moles of} Br_2 \\ (3) \text{Two moles of NaOH and two moles of} Br_2 \\(4) \text{Four moles of NaOH and one mole of} Br_2 \end{array} $