Question:medium

Nessler's reagent is prepared by mixing?

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Nessler's reagent is chemically \( \text{K}_2[\text{HgI}_4] \) in an alkaline medium. The mercury source is typically Mercuric Chloride (\( \text{HgCl}_2 \)), the iodide source is Potassium Iodide (KI), and the alkali is Sodium Hydroxide (\( \text{NaOH} \)).
  • Mercuric Chloride+ Sodium Hydroxide+ Potassium Iodide
  • Potassium Chloride+ Sodium Hydroxide+ Mercuric Iodide
  • Sodium Chloride+ Potassium Hydroxide+ Mercuric Iodide
  • Mercuric Chloride+ Calcium Hydroxide+ Potassium Iodide
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The Correct Option is A

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