MCQ
The valency of inert gases is
- A$5$
- B$1$
- ✓$0$
- DNone of these
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${\text{Propanoic acid }}\xrightarrow{{SOC{l_2}}}X\xrightarrow{{N{H_3}}}Y\xrightarrow{{B{r_2} + KOH}}Z$
What is the compound $Z$