week 15 Exp 2
Write balanced equations, and show the changes in oxidation states for: a) bromine with magnesium
Write balanced equations, and show the changes in oxidation states for: b) chlorine with iron
Write balanced equations, and show the changes in oxidation states for: c) iodine with iron
Describe the colour changes on adding: a) a solution of chlorine in water to aqueous sodium bromide
Describe the colour changes on adding: b) a solution of bromine in water to aqueous potassium iodide
Write a chemical equation for the reaction between chlorine and potassium iodide.
Write an ionic equation for the reaction between bromine and sodium astatide
Write equations for the reactions between bromine and a) cold dilute sodium hydroxide
Write equations for the reactions between bromine and b) hot concentrated sodium hydroxide solution
Radium and Astatine are radioactive elements in groups 2 and 7 respectively.
predict the appearance at room temperature of radium and astatine
Predict the reactivity of astatine compared to that of iodine . Justify your answer.
write an equation for the reaction of astatine with hydrogen
write an equation for the reaction between radium and chlorine
the product of the reaction between radium and water and the pH of the resulting solution is most likely to be