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AIIMS 2013
Exam
AIIMS
Year
2013
Subject
Chemistry
Chapter
d and f Block Elements

AIIMS 2013 · Chemistry · d and f Block Elements

When calomel is treated with ammonium hydroxide, a black substance...

When calomel is treated with ammonium hydroxide, a black substance is formed. The black substance isWhen calomel is treated with ammonium hydroxide, a black substance is formed. The black substance is

Options

  1. AHg+HgO\mathrm{Hg}+\mathrm{HgO}
  2. BHgO.HgCl2\mathrm{HgO} . \mathrm{HgCl}_2
  3. CH2 N−Hg−Cl+Hg\mathrm{H}_2 \mathrm{~N}-\mathrm{Hg}-\mathrm{Cl}+\mathrm{Hg}
  4. D\mathrm{Hg}(NH2)2+HgO\left(\mathrm{NH}_2\right)_2+\mathrm{HgO}

Correct answer

C. H2 N−Hg−Cl+Hg\mathrm{H}_2 \mathrm{~N}-\mathrm{Hg}-\mathrm{Cl}+\mathrm{Hg}

Step-by-step solution

When calomel is treated with ammonium hydroxide, a black substance is formed. The black substance is
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