MCQ
The covalency of nitrogen in $HN{O_3}$ is
- A$0$
- B$3$
- C$4$
- ✓$5$
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$CH_3-CH = CH -CH_2 -CH_2 -CH(CH_3)_2$
$(A)$ $(B)\,\,\,(C)$ $(D)$ $(E)\,\,\,(F)$
arrange them in decreasing order of reactivity towards free radical substitution