\[ \text{Ph–CH(OH)–CHO} \xrightarrow[\text{H}_2\text{O}]{\text{HO}^-} Q \] P and Q are isomers. Identify Q.
Consider the following phenols as shown in the figure. The decreasing order of acidity of the above phenols is:
Aniline reacts with phosgene and KOH to form:
Find the missing number from the given response.
Which of the following represents coal mines, factories and fields?
What is the water image of the below figure?
A piece of paper is folded and pinched as shown. How will it appear when unfolded?