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A reactor is supplied with 2 streams both at same rates, one has pure Cl2, and another has pure C2H6, if the product has 20% C2H5Cl and 50% HCl and 30% C2H6, what is the ratio of rate of feed and rate of product?(a) 0.2(b) 0.5(c) 2(d) 5This question was addressed to me in an interview for internship.I want to ask this question from Element Material Balances topic in chapter The Chemical Reaction Equation & Stoichometry, Material Balances for Processes Involving Reaction and Multiple Units of Basic Chemical Engineering

Answer»

The correct option is (b) 0.5

For explanation: The reaction is C2H6 + CL2 -> C2H5Cl + HCl, LET the rate of feed and products be F and P respectively. ELEMENT balances, C: F(2) – 0.3P(2) = 0.2P(2), => F/P = 0.5.



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