MCQ
Which oxide of nitrogen is obtained on heating ammonium nitrate at ${250\,^o}C$
- ANitric oxide
- ✓Nitrous oxide
- CNitrogen dioxide
- DDinitrogen oxide
$NH _4 NO _3 \rightarrow N _2 O +2 H _2 O$
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$BrO_{3(aq)}^ - \, + \,5Br_{(aq)}^ - \, + \,6{H^ - }\, \to \,3B{r_{2(l)}}\, + \,3{H_2}{o_{(l)}}.$
The rate of appearance of bromine $(Br_2)$ is related to rate of disappearance of bromide ions as
$C{r_2}O_7^{2 - } + F{e^{2 + }} + {C_2}O_4^{2 - } \to C{r^{3 + }} + F{e^{3 + }} + C{O_2}$ (Unbalanced)