Effectiveness factor is given by __________

• A. ƞ=\(\frac{V}{V_free}\)
• B. \(D_a=\frac{V_{max}}{K_L [S_b]}\)
• C. \(K_m^{app}\) = Kmλ
• D. λ=\(\frac{[C_0^{n+}]}{[C^{n+}]} = \frac{[A^{n-}]}{[A_0^{n-}]}\)