Verified Solution • 2025–26 Session moderate

QJEEM23Ch095b: JEE Main 2023 Chemistry - Class 12 JEEM23Ch095b Solution: Which element is not present in Nessler's reagent?

Which element is not present in Nessler's reagent?

Multiple Choice Options

  • A Mercury
  • B Iodine
  • C Potassium
  • D Oxygen

Step-by-Step Verified Solution

Nessler’s reagent is K2[HgI4]

Therefore, among the options given, oxygen is the only element that is not present in Nessler's reagent.

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