Assertion (A): Pure nitric acid on standing for long turns yellow. Reason (R): HNO_(3) undergoes decomposition and forms NO_(2).

Assertion (A): Pure nitric acid on standing for long turns yellow. Re

1.	Assertion (A): Pure nitric acid on standing for long turns yellow. Reason (R): HNO_(3) undergoes decomposition and forms NO_(2).
Answer» Both A and R are true and R is CORRECT explanation for A. Both A and R are true but R is not correct explanation for A. A is true and R is false. A is false and R is true. Solution :Pure NITRIC acid on standing for long turns YELLOW due to its decomposition and the FORMATION of NO_(2), NO_(2)` imparts yellow colour.