NEET Chemistry Organic Preparations MCQ Question
Which combinations of statements accurately describe the organic preparation methods involving iodide ions?
A: The reaction with manganese dioxide produces iodine vapors; B: Violet color in organic layer indicates iodide presence; C: Heating with concentrated sulfuric acid does not yield iodine.
A: The reaction with manganese dioxide produces iodine vapors; B: Violet color in organic layer indicates iodide presence; C: Heating with concentrated sulfuric acid yields iodine.
A: The reaction with manganese dioxide produces iodine vapors; B: Iodine does not dissolve in organic solvents; C: Violet color in organic layer indicates iodide presence.
A: Heating with concentrated sulfuric acid yields sulfur dioxide; B: Violet color in organic layer indicates iodide presence; C: Reaction with manganese dioxide yields sulfur.
Correct Answer
Detailed Explanation
Statement A is correct as manganese dioxide reacts to produce iodine vapors. Statement B is correct because a violet color in the organic layer confirms iodide presence. Statement C is incorrect because heating with concentrated sulfuric acid does yield iodine, contradicting the statement.
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