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Being covalent we can conclude that they will on heating decompose completely, but will they give only $\ce{NO2}$ and not any other oxide is the question.

It is observed in $\ce{Pb(NO3)2, AgNO3,}$ and also $\ce{LiNO3}$ (the anomalous behaviour of $\ce{Li}$) that they decompose on heating to give $\ce{NO2}$ and the above mentioned nitrates possess good amount of covalent character. So as a rule can I remember that all covalent nitrates decompose to give $\ce{NO2}$ or there are any exceptions to it?

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  • 2
    $\begingroup$ I would not classify those as 'covalent' nitrates. $\endgroup$
    – Lighthart
    Apr 23 '16 at 15:03
  • 1
    $\begingroup$ Xenon nitrate has unusual mechanism of decomposition. $\endgroup$
    – Mithoron
    Apr 23 '16 at 15:19
  • $\begingroup$ What criteria do you use to state that the lead and silver nitrates possess good amount of covalent character ? $\endgroup$
    – Maurice
    Apr 24 at 11:27

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