MCQ
Which metal is present in brass, bronze and German silver
- A$Zn$
- B$Mg$
- ✓$Cu$
- D$Al$
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Ethanol $\xrightarrow{{PB{r_3}}}X\,\xrightarrow{{alc.\,KOH}}\,Y$$\,\xrightarrow[{(ii)\,{H_2}O\,,\,heat}]{{(i)\,{H_2}S{O_4},\,room\,\,temperature}}Z$
the product $Z$ is
$X$ and $Y$ are