Question

In the Libermann's nitroso reaction, sequential changes in the colour of phenol occurs as 

 (1) Deep blue → red → deep blue 

(2) Red → Deep Blue → Green 

(3) Red → Green →White 

(4) White →Red →Green 

Answer 1

In the Libermann's nitroso reaction, sequential changes in the colour of phenol occurs as  Deep blue → red → deep blue