Welcome to the Quiz!
This quiz contains 8 questions from a mix of 1 subtopics.
Which of the following is an example of a disproportionation reaction?
the reaction of chlorine with water
the reaction of sodium hydroxide with hydrochloric acid
the reaction of chlorine with hydrogen
the reaction of sodium with water
|
What are the products of the reaction of chlorine with water?
HClO and HCl
HCl and NaOH
HClO and NaCl
HClO and ClO3-
|
What is the main benefit of using chlorine in water purification?
to improve the taste of the water
to remove chlorine from the water
to increase the pH of the water
to kill harmful bacteria
|
The reaction of chlorine with cold, dilute aqueous sodium hydroxide forms sodium , sodium chlorate(I) and water.
|
The oxidation numbers of chlorine in HClO is and in HCl.
|
What is the name of a redox reaction in which the same element is both oxidised and reduced?
|
List one benefit and one risk of using chlorine in water purification.
|
What is the term for a chemical reaction where atoms of the same element can be both oxidised and reduced?
|