Chemistry-Functional Group Tests
NEET Chemistry Functional Group Tests MCQ Question
Type: MCQ-fact-Hard-Class 12
What is formed when gas is passed through Nessler's reagent?
A
Brown colouration or precipitate of basic mercury(II) amido-iodine
B
Yellow precipitate of potassium hexanitritocobaltate(III)
C
No visible change in the solution
D
White precipitate of silver chloride
Correct Answer
Option A
Detailed Explanation
Passing gas through Nessler's reagent results in the formation of a brown colouration or a precipitate of basic mercury(II) amido-iodine, as stated in the context.
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