Question
Pharmaceutics Question on Pre formulation
Which of the following statement is false?
A
Reducing agents often cause fading of dyes
B
Anionic dyes are the most stable at acid pHs
C
Basic dyes are not sensitive to alkalies
D
Cationic dyes may be precipitated by soaps and clays
Answer
Anionic dyes are the most stable at acid pHs
Explanation
Solution
The correct option is (B): Anionic dyes are the most stable at acid pHs