$\mathrm{AB}_2$ is $10 \%$ dissociated in water to $\mathrm{A}^{2+}$ and $\mathrm{B}^{-}$. The boiling point of a 10.0 molal aqueous solution of AB 2 is $\_\_\_\_$ ${ }^{\circ} \mathrm{C}$ (Round off to the Nearest Integer). [Given : Molal elevation constant of water $\mathrm{K}_{\mathrm{b}}=0.5 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$ boiling point of pure water $=100^{\circ} \mathrm{C}$ ]