Chemistry-(general)
NEET Chemistry (general) Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 12
Assertion (A): When a nitrite ion undergoes reaction with dilute H₂SO₄, nitrogen dioxide gas is evolved.
Reason (R): Nitrogen dioxide is formed as a result of the oxidation of nitric oxide by atmospheric oxygen.
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.
Correct Answer
Option A
Detailed Explanation
The NCERT context states that NO₂ gas is produced when a nitrite reacts with dilute H₂SO₄, and NO is oxidized to NO₂ by O₂, confirming that R correctly explains A.
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