Chemistry-Organic Preparations
NEET Chemistry Organic Preparations MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which of the following statements about organic preparations involving iodide ions and manganese dioxide is correct?
A
The reaction of NaI with MnO2 and H2SO4 produces iodine as a violet vapor.
B
Iodide ions can only be detected in acidic conditions using silver nitrate.
C
Chlorine gas can be used to confirm the presence of iodide ions in an organic solvent.
D
The heating of NaI with manganese dioxide yields a yellow gas with no color change in solution.
Correct Answer
Option A
Detailed Explanation
The reaction of NaI with MnO2 and H2SO4 does produce iodine, which is observed as violet vapors, indicating the presence of iodide ions. This is consistent with the NCERT context provided.
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