Strength of $2N$ $H_2O_2$ solution is approx

Question

$\begin{array}{1 1}(a)\;10volumes\\(b)\;11.2volumes\\(c)\;22.4volumes\\(d)\;1.12volumes\end{array}$

Answer 1

Volume strength of $H_2O_2=5.6\times N$

$\Rightarrow 5.6\times 2$

$\Rightarrow$ 11.2

Hence (b) is the correct answer.