Which of the following statements is/are correct regarding the position of metals in the activity series based on their natural occurrence?
Statement I: Moderately reactive metals are commonly found as oxides, sulphides or carbonates in nature.
Statement II: The metals at the top of the activity series are found in nature as free state.
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A.
Only Statement II is correct.
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B.
Only Statement I is correct.
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C.
Neither Statement I nor Statement II is correct.
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D.
Both Statement I and Statement II are correct.
Correct Answer:
B. Only Statement I is correct.
Explanation:
The activity series is an arrangement of metals based on their reactivity. Statement I is accurate because moderately reactive metals, such as zinc, iron, and lead, are typically found in the Earth's crust as oxides, sulfides, or carbonates due to their tendency to react with oxygen, sulfur, and carbon dioxide. Statement II is incorrect because metals at the top of the activity series, such as potassium, sodium, and calcium, are highly reactive and are never found in their free state in nature; instead, they are always found as compounds. Only metals at the bottom of the series, like gold and platinum, are found in the free state. Therefore, only Statement I is correct.
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