Q. For the titration of solution of oxalic acid and sodium hydroxide, the suitable indicator is
A) Phenolphthalein
B) Methyl orange
C) Any of these
D) None of these
Explanation
(a)
Oxalic acid is a weak acid and sodium hydroxide is a strong base, hence phenolphthalein is used as a indicator.
Methyl orange is used as a indicator in case of a strong acid and weak base.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.