The product $(A)$ is

The products formed in the reaction of phenol with $Br_2$ dissolved in $CS_2$ at $0^{\circ} C$ are

Write the Friedel-Crafts reaction of anisole.

In the Reimer-Tiemann formylation reaction,by how much does the molecular weight of phenol increase?

Arrange the following compounds in decreasing order of their acidic strength:

An organic compound with molecular formula $C_7H_8O$ dissolves in $NaOH$ and gives a characteristic colour with $FeCl_3$. On treatment with bromine,it gives a tribromo derivative $C_7H_5OBr_3$. The compound is