NEETChemistryRedox Reactions
Identify the incorrect statements regarding primary standard of titrimetric analysis. (A) It should be purely available in dry form. (B) It should not undergo chemical change in air. (C) It should be hygroscopic and should react with another chemical instantaneously and stoichiometrically. (D) It should be readily soluble in water. (E) ( KMnO ₄ ~ &~ NaOH ) can be used as primary standard. Choose the correct answer fr
Options
- A(A) and (B) only
- B(C) and (E) only
- C(B) and (E) only
- D(C) and (D) only
Correct answer
B. (C) and (E) only
Step-by-step solution
KMnO ₄ & NaOH Secondary standard. Primary standard should not be Hygroscopic.