Question

Kc units for a reaction between PCl3 and Cl2​ please fast.

Answer 1

PCl3 + Cl2 ==> PCl5,

$kc = \frac{[PCl5]}{ [PCl3][Cl2] }$

Since we have the units of concentration here as moles per litre,

So the units comes out as :

$\frac{mole \:{ litre }^{ - 1} }{ {mole}^{2} \: {litre}^{ - 2} } \\ \\ = \frac{1}{mole \:{ litre }^{ - 1} } \\ \\ \: ={ mole}^{ - 1} \: litre$