Compounds that should not be used as primary standards in titrimetric analysis are : A. {\Na}_2 {\Cr}_2 {\O}_7 B. Oxalic acid C. NaOH D. {\FeSO}_4 \cdot 6 {\H}_2 {\O} E. Sodium tetraborate Choose the most appropriate answer from the options given below: [3 Apr 2025 Shift 2]

Correct Answer is : A, C and D only

Salt Analysis

Section: Chemistry

Question : 8 of 36

Marks: +1, -0

Compounds that should not be used as primary standards in titrimetric analysis are :
A. Na2Cr2O7 B. Oxalic acid C. NaOH D. FeSO4⋅6H2O E. Sodium tetraborate Choose the most appropriate answer from the options given below:

[3 Apr 2025 Shift 2]

C, D and E only
A, C and D only
D and E only
B and D only

Validate

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