Chemistry · 2026
JEE Main · 2 April 2026, Shift 1 · Q71
33 g of CrCl_3 · 6 H_2 O, which is a 1: 3 electrolyte, is dissolved in water and is passed through a cation exchanger. The chloride ions in the…
$\displaystyle 33$ g of $\displaystyle \mathrm{CrCl}_3 \cdot 6 \mathrm{H}_2 \mathrm{O}$, which is a $\displaystyle 1: 3$ electrolyte, is dissolved in water and is passed through a cation exchanger. The chloride ions in the eluted solution, on treatment with $\displaystyle \mathrm{AgNO}_3$ results in $\displaystyle 8.61$ g of AgCl . The ratio of moles of complex reacted and moles of AgCl formed is
$\displaystyle \_\_\_\_$ $\displaystyle \times 10^{-2}$. (Nearest integer)
[Molar mass in $\displaystyle \mathrm{g} \mathrm{mol}^{-1} \mathrm{Cr}: 52, \mathrm{Ag}: 108, \mathrm{Cl}: 35.5, \mathrm{H}: 1, \mathrm{O}: 16$ ]
Official answer
From NTA’s final answer key for this paper.
33
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.