Which of the following nitrates on heating does not give its oxide?

Which of the following nitrates on heating does not give its oxide?
  1. $\mathrm{LiNO}_3$
  2. $\mathrm{NaNO}_3$
  3. $\mathrm{Ba}\left(\mathrm{NO}_3\right)_2$
  4. $\mathrm{Be}\left(\mathrm{NO}_3\right)_2$

Solution

(a) $2 \mathrm{LiNO}_3 \underset{\Delta}{\longrightarrow} \mathrm{Li}_2 \mathrm{O}+\mathrm{N}_2 \mathrm{O}_5$ (b) $\mathrm{NaNO}_3 \longrightarrow$ No product (Thermal stable) (c) $\mathrm{Ba}\left(\mathrm{NO}_3\right)_2 \longrightarrow \mathrm{BaO}+\mathrm{N}_2 \mathrm{O}_5$ (d) $\mathrm{Be}\left(\mathrm{NO}_3\right)_2 \underset{\Delta}{\stackrel{\Delta}{\longrightarrow}} \mathrm{BeO}+\mathrm{N}_2 \mathrm{O}_5$ $\mathrm{NaNO}_3$ is thermally stable and does not gives its oxide.

Asked in: AP EAMCET 2018 (22 Apr Shift 1)

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