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Year 11 Exam  >  Year 11 Tests  >  Test: Group I Properties & Group VII Properties - Year 11 MCQ

Test: Group I Properties & Group VII Properties - Year 11 MCQ


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10 Questions MCQ Test - Test: Group I Properties & Group VII Properties

Test: Group I Properties & Group VII Properties for Year 11 2024 is part of Year 11 preparation. The Test: Group I Properties & Group VII Properties questions and answers have been prepared according to the Year 11 exam syllabus.The Test: Group I Properties & Group VII Properties MCQs are made for Year 11 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Group I Properties & Group VII Properties below.
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Test: Group I Properties & Group VII Properties - Question 1
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Which term refers to the Group I metals due to their property of forming alkaline solutions with high pH values when they react with water?

Detailed Solution for Test: Group I Properties & Group VII Properties - Question 1
The Group I metals, also known as the alkali metals, exhibit the characteristic of forming alkaline solutions with high pH values when they come into contact with water. This property is a defining feature of alkali metals, distinguishing them from other groups in the periodic table.
Test: Group I Properties & Group VII Properties - Question 2
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Which statement accurately describes the reactivity of Group I metals when exposed to water?

Detailed Solution for Test: Group I Properties & Group VII Properties - Question 2
When Group I metals come into contact with water, they undergo vigorous reactions, resulting in the formation of alkaline metal hydroxide solutions along with the release of hydrogen gas. This reaction is a characteristic feature of Group I metals and illustrates their high reactivity with water.
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Test: Group I Properties & Group VII Properties - Question 3
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How does the reactivity of Group I metals change as you move down the group?

Detailed Solution for Test: Group I Properties & Group VII Properties - Question 3
The reactivity of Group I metals increases progressively as you move down the group. This trend is observed due to the decreasing ionization energy and increasing atomic size of the elements within the group. As a result, the reactivity of Group I metals tends to be higher for elements located lower in the group.
Test: Group I Properties & Group VII Properties - Question 4
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What is a notable physical property of Group I metals that tends to increase as you move down the group, although exceptions exist for some elements like sodium and potassium?
Detailed Solution for Test: Group I Properties & Group VII Properties - Question 4
Group I metals are known for their softness and ease of being cut, with their density tending to increase as you move down the group. However, there are exceptions to this trend, such as sodium and potassium. This property of increasing density down the group showcases an interesting characteristic of these metals.
Test: Group I Properties & Group VII Properties - Question 5
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When predicting the reactivity of alkali metals with water, which element is described as exceptionally reactive due to its position at the bottom of the Group I metals?
Detailed Solution for Test: Group I Properties & Group VII Properties - Question 5
Francium is described as exceptionally reactive among the alkali metals due to its position at the bottom of the Group I elements. Its reactivity intensifies as we move down the alkali metal group, with francium being the most reactive. Despite its scarcity and radioactivity, francium's position in the periodic table indicates a high level of reactivity when compared to other Group I metals.
Test: Group I Properties & Group VII Properties - Question 6
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What property of halogens changes as you move down Group VII at room temperature?
Detailed Solution for Test: Group I Properties & Group VII Properties - Question 6
The physical state of halogens changes as you move down Group VII at room temperature. This phenomenon is evidenced by chlorine being a gas, bromine a liquid, and iodine a solid at this temperature, reflecting a change in state down the group.
Test: Group I Properties & Group VII Properties - Question 7
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How do halogens achieve a full outer shell of electrons when forming halide ions?
Detailed Solution for Test: Group I Properties & Group VII Properties - Question 7
Halogens achieve a full outer shell of electrons when forming halide ions by gaining an additional electron. This process allows them to attain a stable electron configuration, which is essential for their chemical reactivity and behavior.
Test: Group I Properties & Group VII Properties - Question 8
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Why is fluorine typically avoided in school experiments compared to chlorine, bromine, and iodine?
Detailed Solution for Test: Group I Properties & Group VII Properties - Question 8
Fluorine is typically avoided in school experiments due to its high reactivity. Working with fluorine can be hazardous because of its strong tendency to react with various substances, making it a challenging element to handle safely in educational settings.
Test: Group I Properties & Group VII Properties - Question 9
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How does the reactivity of Group VII non-metals change as you move up the group?
Detailed Solution for Test: Group I Properties & Group VII Properties - Question 9
The reactivity of Group VII non-metals increases as you move up the group. This trend is contrary to that of Group I elements. The higher up an element is in Group VII, the more reactive it is due to the decreasing number of electron shells, resulting in stronger electrostatic forces of attraction that facilitate easier electron acquisition during reactions.
Test: Group I Properties & Group VII Properties - Question 10
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What trend is observed in the melting and boiling points of halogens as you move down Group VII?
Detailed Solution for Test: Group I Properties & Group VII Properties - Question 10
The melting and boiling points of halogens increase as you move down Group VII. This trend is due to the increase in molecular size and the strength of van der Waals forces between the molecules in the group. For example, fluorine, located at the top of Group VII, has the lowest melting and boiling points, while astatine, found at the bottom of the group, exhibits the highest melting and boiling points.
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