Chemistry-Organic Preparations
NEET Chemistry Organic Preparations Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 12
Assertion (A): The addition of MnO2 to a reaction mixture containing NaI and concentrated H2SO4 results in dense violet vapors. | Reason (R): MnO2 acts as a catalyst that facilitates the oxidation of iodide ions to iodine in the reaction mixture.
A
Both (A) and (R) are true and (R) is the correct explanation of (A).
B
Both (A) and (R) are true but (R) is not the correct explanation of (A).
C
(A) is true but (R) is false.
D
(A) is false but (R) is true.
Correct Answer
Option A
Detailed Explanation
Adding MnO2 to the reaction mixture intensifies the violet vapors, indicating iodine formation. MnO2 acts as an oxidizing agent, facilitating the conversion of iodide ions to iodine.
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