Periodic Table and Periodicity - Numerical Applications
Q. What is the primary product of the reaction between a strong acid and a strong base?
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A.
Salt
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B.
Water
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C.
Hydrogen gas
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D.
Carbon dioxide
Solution
The primary products of a strong acid and strong base reaction are salt and water, but salt is the main focus.
Correct Answer: A — Salt
Q. What is the trend in ionization energy across a period?
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A.
Increases
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B.
Decreases
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C.
Remains constant
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D.
Increases then decreases
Solution
Ionization energy generally increases across a period due to increasing nuclear charge.
Correct Answer: A — Increases
Q. Which of the following metals is most likely to be reduced in a redox reaction?
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A.
Sodium
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B.
Copper
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C.
Potassium
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D.
Calcium
Solution
Copper is more likely to be reduced because it has a higher reduction potential compared to the other metals listed.
Correct Answer: B — Copper
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