Week 16 Explore 2 reactions of halogens and halides

Last updated almost 2 years ago
14 questions
Note from the author:
week 15 Exp 2
1

Write balanced equations, and show the changes in oxidation states for: a) bromine with magnesium

1

Write balanced equations, and show the changes in oxidation states for: b) chlorine with iron

1

Write balanced equations, and show the changes in oxidation states for: c) iodine with iron

1

Describe the colour changes on adding: a) a solution of chlorine in water to aqueous sodium bromide

1

Describe the colour changes on adding: b) a solution of bromine in water to aqueous potassium iodide

1

Write a chemical equation for the reaction between chlorine and potassium iodide.

1

Write an ionic equation for the reaction between bromine and sodium astatide

1

Write equations for the reactions between bromine and a) cold dilute sodium hydroxide

1

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.
3

predict the appearance at room temperature of radium and astatine

3

Predict the reactivity of astatine compared to that of iodine . Justify your answer.

1

write an equation for the reaction of astatine with hydrogen

1

write an equation for the reaction between radium and chlorine

1

the product of the reaction between radium and water and the pH of the resulting solution is most likely to be