A) \[[mol\,{{L}^{-1}}]\]
B) \[[mo{{l}^{-1}}\,L]\]
C) \[{{[mol\,{{L}^{-1}}]}^{-2}}\]
D) unitless
Correct Answer: A
Solution :
Key Idea: Equilibrium constant is the ratio of molar concentration of products upon reactants when each concentration term raised to number equal to as represented in balance chemical reaction. \[4A+5B4P+6Q\] \[{{K}_{c}}=\frac{{{[P]}^{4}}{{[Q]}^{6}}}{{{[A]}^{4}}{{[B]}^{5}}}\] \[=\frac{{{(mol/{{L}^{-1}})}^{4}}\times {{(mol\,{{L}^{-1}})}^{6}}}{{{(mol\,{{L}^{-1}})}^{4}}\times {{(mol\,{{L}^{-1}})}^{5}}}\] \[=mol\,{{L}^{-1}}\]
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