Chlorine and Hydrogen Chloride — Prelims Questions

Which of the following statements about the bleaching action of chlorine is INCORRECT?

When chlorine gas is passed through cold, dilute aqueous sodium hydroxide, the products formed are:

Which of the following is the correct reaction for the laboratory preparation of hydrogen chloride gas?

What is the primary role of cuprous chloride ($CuCl_2$) in the Deacon's process for chlorine production?

A student observes that a gas turns moist blue litmus paper red but has no effect on dry blue litmus paper. The gas is most likely:

Which of the following reactions correctly represents the formation of ferric chloride from iron and chlorine?