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If the value of an equilibrium constant for a particular reaction is $1.6\times 10^{12}$, then at equilibrium the system will contain
A
All reactants
B
Mostly reactants
C
Mostly products
D
Similar amounts of reactants and products
Detailed Solution
For $A + B \rightleftharpoons C + D$, $K_c = \frac{[C][D]}{[A][B]}$
A very high $K_c$ means the numerator (product concentrations) is large, so the system contains mostly products.
A very high $K_c$ means the numerator (product concentrations) is large, so the system contains mostly products.