A solution of $$\mathrm{Cr O_5}$$ in amyl alcohol has a __________ colour.

Find out the major product for the following reaction.

The increasing order of $$\mathrm{pK_a}$$ for the following phenols is

(A) 2, 4 - Dinitrophenol

(B) 4 - Nitrophenol

(C) 2, 4, 5 - Trimethylphenol

(D) Phenol

(E) 3-Chlorophenol

Choose the correct answer from the option given below :

Find out the major product from the following reaction.