MCQ
Pentagonal bipyramidal structure contains bond angles approximately
- A$120^o, 90^o, 180^o$
- B$120^o, 72^o, 180^o$
- C$72^o, 90^o, 120^o$
- ✓$72^o, 90^o, 180^o$
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$NH_3(g) + O_2(g) \rightarrow NO(g) + H_2O(l)$
$NO(g) + O_2(g) \rightarrow NO_2(g)$
To obtain maximum mass of $NO_2$ from a given mass of mixture $NH_3$ and $O_2$, the ratio of mass of $NH_3$ to $O_2$ should be -