AIEEE 2011 PYQ Mock Test

Which of the following reagents may be used to distinguish between phenol and benzoic acid?

Phenol is heated with a solution of mixture of $\text{KBr}$ and ${\text{KBrO}}_3$. The major product obtained in the above reaction is:

In a face centred cubic lattice, atom A occupies the corner positions and atom B occupies the face centre positions. If one atom of B is missing from one of the face centred points, the formula of the compound is:

The entropy change involved in the isothermal reversible expansion of $2\text{moles}$ of an ideal gas from a volume of $10{\text{dm}}^3$ to a volume of $100{\text{dm}}^3$ at $27^{\circ }\text{C}$ is:

Identify the compound that exhibits tautomerism.