Question

Efficiency of dilution decreases rapidly when the coefficient of dilution is ____________

(a) 0

(b) 1

(c) <1

(d) >1

The question was posed to me during a job interview.

This interesting question is from Kinetics of Chemical Disinfection topic in portion Properties of Disinfection of Environmental Engineering

Answer 1

Correct option is (d) >1

Best explanation: Efficiency of dilution decreases rapidly when the coefficient of dilution n is greater than 1 which is a measure of order of reaction.