NEET Chemistry Organic Preparations MCQ Question
What gas is evolved when sodium iodide reacts with concentrated sulfuric acid and manganese dioxide?
Iodine gas
Chlorine gas
Sulfur dioxide
Hydrogen gas
Correct Answer
Detailed Explanation
The reaction of sodium iodide with concentrated sulfuric acid and manganese dioxide produces iodine gas, which is indicated by the evolution of dense violet vapors.
Found an issue with this question?
Related Questions
More from Organic Preparations
Assertion (A): The evolution of violet vapors when MnO2 is added to a reaction mixture containing NaI and H2SO4 indicates the presence of iodide ions....
Assertion (A): The presence of iodide ions can be confirmed by the violet color in the organic layer. | Reason (R): Iodine dissolves in the organic so...
More from
What white precipitate is formed when calcium chloride solution is added to an acidified sodium carbonate extract containing oxalate ions?
Which of the following statements about functional group tests are correct?
Which of the following combinations correctly describes tests related to functional groups in qualitative analysis?