JEE PYQ: P Block Elements Question 10
Question 10 - 2021 (18 Mar Shift 2)
The oxidation states of nitrogen in NO, $\text{NO}_2$, $\text{N}_2\text{O}$ and $\text{NO}_3^-$ are in the order of:
(1) $\text{NO}_3^- > \text{NO}_2 > \text{NO} > \text{N}_2\text{O}$
(2) $\text{NO}_2 > \text{NO}_3^- > \text{NO} > \text{N}_2\text{O}$
(3) $\text{N}_2\text{O} > \text{NO}_2 > \text{NO} > \text{NO}_3^-$
(4) $\text{NO} > \text{NO}_2 > \text{N}_2\text{O} > \text{NO}_3^-$
Show Answer
Answer: (1)
Solution
The oxidation states of Nitrogen: $\text{NO}_3^- \to +5$. $\text{NO}_2 \to +4$. $\text{NO} \to +2$. $\text{N}_2\text{O} \to +1$. So, $\text{N}_2\text{O} < \text{NO} < \text{NO}_2 < \text{NO}_3^-$.