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5.11 In the polymerization of decamethylene glycol and acidic acid in equimolar proportions at 110C in the presence of an externally added strong acid catalyst, the degree of polymerization showed an increase of 40 in 300 min, the reaction being carried out with continuous removal of water of condensation (a) Determine the rate constant k' as defined by - d[COOH]/dt = k'[COOH](OH). (b) Suppose in the removal of water from the start of reaction 2% of the initially charged glycol were lost by steam distillation, but no adipic acid. What maximum degree of polymerization could be achieved ? [Ans.(a) 2.2x10-'-'. (b) 99)