What is the major product formed when phenol is treated with chloroform and aqueous alkali?

The major product of the following reaction sequence is:
Aniline $\xrightarrow[(i) NaNO_2, HCl, 273-278K]{(ii) H_2O, warm} \text{Product}$ $\xrightarrow[(iv) NaOH]{(iii) Br_2, (excess)} \text{Product}$ $\xrightarrow{(v) CH_3I} \text{Final Product}$

Which of the following is picric acid?

By which reaction is anisole obtained from phenol?

Sodium bicarbonate reacts with salicylic acid to form:

What is the product of the sulfonation of phenol?