The elevation of boiling point of water produced by dissolving $1.17 g$ sodium chloride in $100 g$ water $K_b=0.512\;K\;kg\;mol^{-1})$ is

Question

$\begin{array}{1 1} 0.103\;K \\ 0.205\;K \\ 0.309\;K \\0.410\;K \end{array} $