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QJEEM24Ch7c3e: JEE Main 2024 Chemistry - Class 12 JEEM24Ch7c3e Solution: On passing a gas, ' X ', through Nessler's regent, a brown…

On passing a gas, 'X', through Nessler's regent, a brown precipitate is obtained. The gas 'X' is

Multiple Choice Options

  • A Cl2
  • B CO2
  • C NH3
  • D H2S

Step-by-Step Verified Solution

Nessler's Reagent Reaction :

2 K2HgI4 (Nessler's Reagent) +NH3+3KOH→HgO.Hg(NH2)I (lodine of Millon's base  (Brown precipitate +7KI+2H2O

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