1 mol of an octahedral metal complex with formula MCl_3 · 2 L on reaction with excess of AgNO_3 gives 1 mol of AgCl. The denticity of Ligand L is \ \…

$\displaystyle 1$ mol of an octahedral metal complex with formula $\displaystyle \mathrm{MCl}_3 \cdot 2 \mathrm{~L}$ on reaction with excess of $\displaystyle \mathrm{AgNO}_3$ gives $\displaystyle 1$ mol of AgCl . The denticity of Ligand L is \_\_\_\_. (Integer answer)