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Week 16 Explore 2 reactions of halogens and halides

Last updated about 2 years ago

14 questions

Note from the author:

week 15 Exp 2

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Question 1

1.

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

Question 2

2.

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

Question 3

3.

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

Question 4

4.

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

Question 5

5.

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

Question 6

6.

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

Question 7

7.

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

Question 8

8.

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

Question 9

9.

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.

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Question 10

10.

predict the appearance at room temperature of radium and astatine

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Question 11

11.

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

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Question 12

12.

write an equation for the reaction of astatine with hydrogen

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Question 13

13.

write an equation for the reaction between radium and chlorine

Question 14

14.

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

radium oxide and 1

radium oxide and 14

radium hydroxide and 1

radium hydroxide and 12