Hydrogen and its Compounds - Case Studies
Q. What is the primary product when hydrogen reacts with chlorine gas?
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A.
HCl
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B.
H2Cl2
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C.
Cl2
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D.
H2O
Solution
The primary product of the reaction between hydrogen and chlorine gas is hydrogen chloride (HCl).
Correct Answer: A — HCl
Q. What is the primary role of hydrogen in acid-base reactions?
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A.
Acting as a base
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B.
Acting as a solvent
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C.
Acting as a proton donor
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D.
Acting as a catalyst
Solution
In acid-base reactions, hydrogen typically acts as a proton donor, which is characteristic of acids.
Correct Answer: C — Acting as a proton donor
Q. Which of the following is a strong acid that contains hydrogen?
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A.
H2O
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B.
H2SO4
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C.
NaOH
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D.
NH3
Solution
Sulfuric acid (H2SO4) is a strong acid that contains hydrogen.
Correct Answer: B — H2SO4
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