Moderate

Which of the following compounds affects mercury?

Correct answer: C. O₃

  • A. D₂O
  • B. H₂O
  • C. O₃
  • D. Dil. HCl

Explanation

Ozone (O₃) is a powerful oxidizing agent. It can oxidize liquid mercury (Hg), causing it to lose its meniscus and stick to glass, a phenomenon known as the "tailing of mercury."

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About s-Block and p-Block Elements

The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.

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