\(Cu\) 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

  • reactivity and oxidation respectively checkmark
  • conductivity and corrosiveness respectively
  • melting point and reduction respectively
  • electronegativity and solubility respectively

The correct answer is: 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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