The colour of methyl orange in an alkaline medium (basic solution) is yellow.
✅ Correct answer: yellow
In acidic medium, methyl orange appears red, and in basic (alkaline) medium, it turns yellow.
The correct answer is yellow. Methyl orange is a pH indicator that changes color depending on the pH of the solution. In an alkaline (basic) medium, methyl orange turns yellow. In an acidic medium, it turns red. Thus, the color of methyl orange in alkaline medium is yellow.
\(\text{Reaction of aniline with conc. HNO}_3 \text{ and conc. H}_2\text{SO}_4 \text{ at 298 K will produce 47\% of:}\)