With which reagent would compounds P and Q show different observations? P: $\text{HOCH}_2\text{CH(OH)CHO}$ Q: $\text{HOCH}_2\text{COCH}_2\text{OH}$
- A$\text{Br}_2\text{(aq)}$
- Bhot acidified $\text{KMnO}_4$
- Csilver nitrate in ammonia solution
- Dwarm acidified $\text{K}_2\text{Cr}_2\text{O}_7$