ExamBro
ExamBro
AP EAMCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

Which of the following metals produces hydrogen gas on reacting with cold dilute nitric acid?

  1. A \(\mathrm{Al}\)
  2. B \(\mathrm{Fe}\)
  3. C \(\mathrm{Mg}\)
  4. D \(\mathrm{Cu}\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(\mathrm{Mg}\)

Step-by-step Solution

Detailed explanation

Both magnesium \((\mathrm{Mg})\) and manganese \((\mathrm{Mn})\) react with very dilute cold \(\mathrm{HNO}_3\) to evolve \(\mathrm{H}_2\) gas. Magnesium metal reacts with dilute nitric acid to form magnesium nitrate and hydrogen gas…