Which one is a NaOH process with no Cl2 co-product?(a) HCl-air oxidation with Fe2O3(b) HCl-air-Cl2 oxychlorination(c) HNO3-Nacl-air process(d) Na2CO3– Ca(OH)^2This question was posed to me during an online interview.My question is taken from Inorganic Chemical topic in chapter Inorganic Chemical Industries of Chemical Technology

Which one is a NaOH process with no Cl2 co-product?(a) HCl-air oxidati

1.	Which one is a NaOH process with no Cl2 co-product?(a) HCl-air oxidation with Fe2O3(b) HCl-air-Cl2 oxychlorination(c) HNO3-Nacl-air process(d) Na2CO3– Ca(OH)^2This question was posed to me during an online interview.My question is taken from Inorganic Chemical topic in chapter Inorganic Chemical Industries of Chemical Technology
Answer» Right choice is (d) Na2CO3– Ca(OH)^2 Best explanation: Na2CO3-Ca(OH)^2 process is the PRODUCTION of NaOH with no Cl2 co-product while HCl-air oxidation with FE2O3 CATALYST, HCl-air-Cl2 oxychlorination process are the production chlorine WITHOUT any co-products.

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