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\(Cu\) and \(HNO_{3}\) are not suitable for preparing hydrogen gas because of their

Chemistry
WAEC 2018

\(Cu\) and \(HNO_{3}\) are not suitable for preparing hydrogen gas because of their

  • A. reactivity and oxidation respectively
  • B. conductivity and corrosiveness respectively
  • C. melting point and reduction respectively
  • D. electronegativity and solubility respectively
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Correct Answer: Option A
Explanation

Copper is not active enough to replace hydrogen in an acid. Also, nitric acid is a strong oxidizing agent which quickly oxidises hygrogen to water.

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