Chemistry · 2026
JEE Main · 22 January 2026, Shift 2 · Q62
Identify the correct statements: A. Hydrated salts can be used as primary standard. B. Primary standard should not undergo any reaction with air. C.…
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 :
Official answer
From NTA’s final answer key for this paper.
(2)
A, B and C Only
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.