one of the following is NOT an example of stereoisomers. O Optical Isomer O enantiomer Functional group isomers. O Geometrical isomers

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Ethanol is produced commercially by the hydration of ethylene: C2H4(g)+H2O(v)C2H5OH(v) Some of the product is converted to diethyl ether in the undesired side reaction 2C2H5OH(v)(C2H5)2O(v)+H2O(v) The combined feed to the reactor contains 53.7 mole %C2H4,36.7%H2O and the balance nitrogen which enters the reactor at 310C. The reactor operates isothermally at 310C. An ethylene conversion of 5% is achieved, and the yield of ethanol (moles ethanol produced/mole ethylene consumed) is 0.900. Data for Diethyl Ether H^i=272.8kJ/molfortheliquidH^y=26.05kJ/mol(assumeindependentofT)Cp[kJ/(molC)]=0.08945+40.33105T(C)2.244107T2 (a) Calculate the reactor heating or cooling requirement in kJ/mol feed. (b) Why would the reactor be designed to yield such a low conversion of ethylene? What processing step (or steps) would probably follow the reactor in a commercial implementation of this process