Why does these reactions happen like this
(NH4)2Cr2O7 -> N2
NH4OH -> NH3
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1$\begingroup$ How long have you been thinking about it, before asking? $\endgroup$– PoutnikJun 22 at 14:11
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$\begingroup$ Did you notice that the ones giving N2 all contain a certain element suggested by this icon? 🎱 $\endgroup$– Oscar LanziJun 22 at 15:50
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1$\begingroup$ First, $\ce{NH4OH}$ does not exist ! It is just an aqueous solution of $\ce{NH3}$ Second, the ammonium salts producing $\ce{N2}$ by heating are all accompanied by an oxidizing anion. Example :$\ce{NH4NO2}$ and $\ce{(NH4)2Cr2O7}$ $\endgroup$– MauriceJun 22 at 16:28
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$\begingroup$ It's not that only ammonia or nitrogen is the end product. Ammonium nitrate decomposes to nitrous oxide. $\endgroup$– Nilay GhoshJun 23 at 2:02
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