Compounds that should not be used as primary standards in titrimetric analysis are : A. Na2CrO7 B. Oxalic acid C. NaOH D. PeSO4.6H2O E. Sodium tetraborate Choose the most appropriate answer from the o

Question

Compounds that should not be used as primary standards in titrimetric analysis are : A. Na2CrO7 B. Oxalic acid C. NaOH D. PeSO4.6H2O E. Sodium tetraborate Choose the most appropriate answer from the options riven below:

(A) B and D Only
(B) A, C and D Only
(C) C, D and E Only
(D) .D and E Only

Prashant Kotian · Accepted Answer

Correct answer: B. Oxalic acid & sodium tetraborate is used as primary standards.

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