Question:
Which one of the following statements about NO is wrong?
Which one of the following statements about NO is wrong?
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NH\(_4\)NO\(_3\) \(\xrightarrow{200^{\circ}C}\) N\(_2\)O + 2H\(_2\)O; above 250\(^{\circ}\)C it decomposes explosively.
Updated On: Apr 23, 2026
- NO is an odd electron molecule
- It is a free radical and highly reactive
- It readily forms complexes with transition metal ions
- It can be prepared by heating NH\(_4\)NO\(_3\) at 250\(^{\circ}\)C
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
NO has 11 valence electrons (odd electron molecule).
Step 2: Detailed Explanation:
(A) Correct - NO has 15 electrons total, 11 valence electrons.
(B) Correct - Odd electron makes it a free radical.
(C) Correct - NO acts as a ligand (nitrosyl complex).
(D) Incorrect - NH\(_4\)NO\(_3\) on heating gives N\(_2\)O, not NO.
NO is prepared by: 3Cu + 8HNO\(_3\) \(\rightarrow\) 3Cu(NO\(_3\))\(_2\) + 2NO + 4H\(_2\)O.
Step 3: Final Answer:
Thus, wrong statement is (D).
NO has 11 valence electrons (odd electron molecule).
Step 2: Detailed Explanation:
(A) Correct - NO has 15 electrons total, 11 valence electrons.
(B) Correct - Odd electron makes it a free radical.
(C) Correct - NO acts as a ligand (nitrosyl complex).
(D) Incorrect - NH\(_4\)NO\(_3\) on heating gives N\(_2\)O, not NO.
NO is prepared by: 3Cu + 8HNO\(_3\) \(\rightarrow\) 3Cu(NO\(_3\))\(_2\) + 2NO + 4H\(_2\)O.
Step 3: Final Answer:
Thus, wrong statement is (D).
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