Disproportionation Reactions of Halogens Flashcards
What is the reaction between chlorine and water? redox reaction
chlorine + water forms chloric acid + hydrochloric acid
cl2- chlorine
H2O- water
HclO- chloric (I) acid- powerful oxidising agent used to kill bacteria
Hcl: hydrochloric acid
What is a disporportionate reaction?
= redox reaction where the atoms of the same element are oxidised and reduced
What are the risks of using chlorine in drinking water?
= chlorine is a toxic gas- has to be treated carefully
= posssibility chlorine in water can react with naturall hydrocarbons- chlorinated hycroarbons can cause cancer
Is chlorine soluable in water?
= yes
= means that a low concentration of products can form
=
What happens when chlorine reacts with cold dilute aqueous sodium hydroxide?
chlorine + naOh ==> sodium chlorate + sodium chloride + water
NaclO- sodium chlorate
Nacl; sodium chloride
= product is used as household bleach
=
What happens when chlorine reacts with water in the pressence of bright sunlight?
=hydrochloric acid and oxygen
