JEE Main 202622 JanuaryEvening Shift
- Exam
- JEE Main
- Year
- 2026
- Date
- 22 January
- Shift
- Evening Shift
- Subject
- Chemistry
- Chapter
- Redox Reactions
JEE Main 2026 · 22 January · Evening Shift · Chemistry · Redox Reactions
Identify the correct statements : A. Hydrated salts can be used as...
Identify the correct statements :
A. Hydrated salts can be used as primary standard.
B. Primary standard should not undergo any reaction with air.
C. Reactions of primary standard with another substance should be instantaneous and stoichiometric.
D. Primary standard should not be soluble in water.
E. Primary standard should have low relative molar mass.
Choose the correct answer from the options given below :
A. Hydrated salts can be used as primary standard.
B. Primary standard should not undergo any reaction with air.
C. Reactions of primary standard with another substance should be instantaneous and stoichiometric.
D. Primary standard should not be soluble in water.
E. Primary standard should have low relative molar mass.
Choose the correct answer from the options given below :
Options
- AA, B, C and E Only
- BA, B and E Only
- CA, B and C Only
- DD and E Only
Correct answer
C. A, B and C Only
Step-by-step solution
Primary standard must be soluble for standard solution formation