Group 2 multiple choice questions – A-Level Chemistry (CIE)

Group 2

Total marks:0 / 11

1 of 11

Going down group 2 from calcium to barium

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2 of 11

Group 2 nitrates undergo thermal decomposition according to the following equation.

X(NO₃)₂ ➔ XO + 2NO₂ + $\frac{1}{2}$ O₂

Which group 2 nitrate requires the highest temperature to bring about its thermal decomposition?

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3 of 11

When magnesium nitrate, Mg(NO₃)₂⸱7H₂O, is heated, which three gases are given off?

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4 of 11

When 3.00 g of an anhydrous nitrate of a group 2 metal is decomposed, 1.53 g of gas is produced.

What is the nitrate compound?

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5 of 11

Z is an anhydrous compound of a group 2 element.

When it is heated, Z undergoes thermal decomposition to produce two different gases. Z has relatively low thermal stability compared to other group 2 compounds containing the same anion as Z.

What is compound Z?

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6 of 11

Magnesium nitrate, Mg(NO₃)₂, will decompose when heated to give a white solid and a mixture of gases. One of the gases released is an oxide of nitrogen, X.

7.4 g of anhydrous magnesium nitrate is heated until no further reaction takes place.

What mass of X is produced?

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7 of 11

When samples of magnesium nitrate, Mg(NO₃)₂, and calcium nitrate, Ca(NO₃)₂, are heated

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8 of 11

Which of the following compounds has the most polarised anion?

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9 of 11

What occurs as group 2 is descended?

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10 of 11

Why is calcium carbonate more thermally stable than magnesium carbonate?

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11 of 11

Mg²⁺ has a higher charge density than Ca²⁺.

Which statement is correct?

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Group 2

Total marks:0 / 11

1 of 11

Going down group 2 from calcium to barium

0 / 1

2 of 11

Group 2 nitrates undergo thermal decomposition according to the following equation.

X(NO₃)₂ ➔ XO + 2NO₂ + $\frac{1}{2}$ O₂

Which group 2 nitrate requires the highest temperature to bring about its thermal decomposition?

0 / 1

3 of 11

When magnesium nitrate, Mg(NO₃)₂⸱7H₂O, is heated, which three gases are given off?

0 / 1

4 of 11

When 3.00 g of an anhydrous nitrate of a group 2 metal is decomposed, 1.53 g of gas is produced.

What is the nitrate compound?

0 / 1

5 of 11

Z is an anhydrous compound of a group 2 element.

When it is heated, Z undergoes thermal decomposition to produce two different gases. Z has relatively low thermal stability compared to other group 2 compounds containing the same anion as Z.

What is compound Z?

0 / 1

6 of 11

Magnesium nitrate, Mg(NO₃)₂, will decompose when heated to give a white solid and a mixture of gases. One of the gases released is an oxide of nitrogen, X.

7.4 g of anhydrous magnesium nitrate is heated until no further reaction takes place.

What mass of X is produced?

0 / 1

7 of 11

When samples of magnesium nitrate, Mg(NO₃)₂, and calcium nitrate, Ca(NO₃)₂, are heated

0 / 1

8 of 11

Which of the following compounds has the most polarised anion?

0 / 1

9 of 11

What occurs as group 2 is descended?

0 / 1

10 of 11

Why is calcium carbonate more thermally stable than magnesium carbonate?

0 / 1

11 of 11

Mg²⁺ has a higher charge density than Ca²⁺.

Which statement is correct?

0 / 1

Group 2 - exam practice

Group 2

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Group 2 - exam practice

Group 2

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