Chemistry · 2026
JEE Main · 6 April 2026, Shift 1 · Q56
When 0.25 moles of a non-volatile, non-ionizable solute was dissolved in 1 mole of a solvent the vapor pressure of solution was x % of vapor pressure…
When $\displaystyle 0.25$ moles of a non-volatile, non-ionizable solute was dissolved in $\displaystyle 1$ mole of a solvent the vapor pressure of solution was $\displaystyle x \%$ of vapor pressure of pure solvent. What is $\displaystyle x \%$ ?
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 80 \%$
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.