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An immobilized enzyme being used in a continuous plug flow reactor exhibits an effectiveness factor (η) of 1.2. The value of η being greater than 1.0 could be apparently due to
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- substrate inhibited with internal pore diffusion limitation
- external pore diffusion limitation
- sigmoidal kinetics
- unstability of the enzyme
- None of these
Correct Option: E
The degree of effectiveness factor is determined by Hill equation for Non Michaelis-Menten kinetics. The Hill equation accounts for allosteric binding at sites other than the active site. n is the “Hill coefficient.” When n < 1, there is negative effectiveness factor; When n = 1, there is no effect; When n > 1, there is positive effectively.
