For the reaction,$H_{2(g)} + Br_{2(g)} \longrightarrow 2 HBr_{(g)}$,$r = k[H_2][Br_2]^{\frac{1}{2}}$. What is the molecularity and order of reaction respectively?
- AMonomolecular and $\frac{1}{2}$
- BMonomolecular and $1$
- CMonomolecular and $\frac{3}{2}$
- DBimolecular and $\frac{3}{2}$
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