The elements of group 1 and 2 multiple choice questions

The Elements of Group 1 and 2

Total marks:0 / 19

1 of 19

Which metal produces a crimson red flame when burned?

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2 of 19

Going from calcium to barium in group 2, which property changes as stated?

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3 of 19

The properties of group 2 compounds change down the group from magnesium to barium.

Which statement is correct?

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4 of 19

Which property of group 2 elements (beryllium to barium) decreases as you move down the group?

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5 of 19

Why does barium react more rapidly with cold water than magnesium does?

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6 of 19

The group 2 elements react with water, forming a solution and a gas.

Which statement is correct?

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7 of 19

Which statement is not correct?

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8 of 19

Which property of the group 2 elements, Ca to Ba, increases with increasing atomic number?

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9 of 19

What is the correct observation when barium metal is added to an excess of water?

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10 of 19

Going down group 2 from calcium to barium

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11 of 19

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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12 of 19

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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13 of 19

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

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14 of 19

Which of the following compounds has the most polarised anion?

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15 of 19

Why is calcium carbonate more thermally stable than magnesium carbonate?

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16 of 19

Which solution, when sprayed into a flame, produces a lilac colour?

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17 of 19

Which of the following ions does not produce a red flame when burned?

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18 of 19

The products of the reaction of sodium fluoride with concentrated sulfuric acid can be predicted by considering the trends for the other sodium halides.

Which gas or gases form when sodium fluoride reacts with concentrated sulfuric acid?

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19 of 19

Which colour and test results are correct for nitrogen dioxide gas?

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