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BITSAT2013Chemistryd and f Block ElementsActual

When same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide solution, the ratio of volumes of hydrogen evolved is:

Options

  1. A1: 1
  2. B1: 2
  3. C2: 1
  4. D9: 4

Correct answer

A. 1: 1

Step-by-step solution

Zn + H ₂ SO ₄ ZnSO ₄+ H ₂ Zn +2 NaOH Na ₂ ZnO ₂+ H ₂ Ratio of volumes of H ₂ evolved is 1: 1

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