Chemistry · 2025
JEE Main · 3 April 2025, Shift 2 · Q63
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 · 6 H_2 O E.…
Compounds that should not be used as primary standards in titrimetric analysis are :
A. $\displaystyle \mathrm{Na}_2 \mathrm{Cr}_2 \mathrm{O}_7$
B. Oxalic acid
C. NaOH
D. $\displaystyle \mathrm{FeSO}_4 \cdot 6 \mathrm{H}_2 \mathrm{O}$
E. Sodium tetraborate
Choose the most appropriate answer from the options given below:
Official answer
From NTA’s final answer key for this paper.
(1)
A, C and D Only
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.