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NTA Abhyas NEET2020Chemistryp Block Elements (Group 15, 16, 17 & 18)Practice

The compound which gives off oxygen on moderate heating is

Options

  1. ACupric oxide
  2. BMercuric oxide
  3. CZinc oxide
  4. DAluminium oxide

Correct answer

B. Mercuric oxide

Step-by-step solution

Mercuric oxide gives off oxygen on moderate heating 2 HgO ⟶ Δ 2 Hg + O 2 ↑

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