Chemistry · 2024
JEE Main · 9 April 2024, Shift 1 · Q80
Identify the incorrect statements regarding primary standard of titrimetric analysis. (A) It should be purely available in dry form. (B) It should…
Identify the incorrect statements regarding primary standard of titrimetric analysis.
(A)
It should be purely available in dry form.
(B)
It should not undergo chemical change in air.
(C)
It should be hygroscopic and should react with another chemical instantaneously and stoichiometrically.
(D)
It should be readily soluble in water.
(E)
$\displaystyle \mathrm{KMnO}_4 \& \mathrm{NaOH}$ can be used as primary standard.
Choose the correct answer from the options given below :
Official answer
From NTA’s final answer key for this paper.
(4)
(C) and (E) only
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JEE Main 2024 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.