Question
Question: <img src="https://cdn.pureessence.tech/canvas_162.png?top_left_x=0&top_left_y=485&width=173&height=3...
and 
can be differentiated by :
A
NaHCO3
B
CHCl3 and KOH
C
NaNO2, HCl then b-napthol
D
NaOH
Answer
NaNO2, HCl then b-napthol
Explanation
Solution
on reaction with NaNO2 / HCl then b-napthol form red dye but
do not.