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Which element is not present in Nessler's reagent ? (A) Iodine (B) Oxygen (C) Mercury (D) Potassium — JEE Mains Chemistry Past Papers Chemistry Question

Question

Which element is not present in Nessler's reagent ? (A) Iodine (B) Oxygen (C) Mercury (D) Potassium

Answer: B

💡 Solution & Explanation

Nessler's reagent is alkaline K2Hg4.

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