Which element is not present in Nessler's reagent?
d & f-Block Elements · Class 12 · JEE Main Previous Year Question
Which element is not present in Nessler's reagent?
- a
Mercury
- b
Potassium
- c
Iodine
- d✓
Oxygen
Oxygen
Nessler's Reagent:
Elements present:
- K (Potassium) ✓
- Hg (Mercury) ✓
- I (Iodine) ✓
Oxygen is NOT present in .
Nessler's reagent is prepared by dissolving in KI solution:
No oxygen-containing species is involved.
Answer: Option (4) — Oxygen
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