Which of the following gas gives brown ppt. with Nessler's reagent ? – InterviewSolution

1.	Which of the following gas gives brown ppt. with Nessler's reagent ?
Answer» `NO_2` `SO_2` `CO_2` `NH_3` . SOLUTION :`NH_3` GIVES brown PPT with Nessler.s reagent `2K_2HgI_4 + NH_3 + 3KOH to UNDERSET("Brown ppt.")(H_2NHgO.HgI) + 7KI + 2H_2O`

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