JEE CHEMISTRY MCQ: P-BLOCK ELEMENTS

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A gas '

X

' is added to Nessler's reagent then brown precipitate is formed, gas

X

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Correct option: A

\mathrm{NH}_3

Option A (

\mathrm{NH}_3

) is correct because ammonia gas reacts with Nessler's reagent to form a brown precipitate.

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