Chemistry · Analytical Chemistry
Identify the correct statements regarding primary standards used in titrimetric analysis: A. Hydrated salts can be used as a primary standard under specific stable conditions. B. A primary standard should not undergo any chemical reaction with atmospheric air components. C. Reactions of a primary standard with another substance should be instantaneous and stoichiometric. D. A primary standard should not be soluble in water. E. A primary standard should have a low relative molar mass. Choose the correct answer from the options given below:
- 1D and E only
- 2A, B and E only
- 3A, B, and C only✓
- 4A, B, C and E only
Correct answer
A, B, and C only
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