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← JEE Main 2026 · 6 Apr · Shift 2
ChemistryInteger+4 / -1Question 71 of 75

JEE Main 2026 · 6 Apr · Shift 2, Chemistry question 71

An excess of AgNOX3\ce{AgNO3} is added to 100 mL of a 0.05 M solution of tetraaquadichloridochromium (III) chloride. The number of moles of AgCl precipitated will be ________ ×10−3\times10^{-3}. (Nearest integer)

Answer and worked solution

Official answer: 5

Ionisable chloride. [Cr(HX2O)X4ClX2]Cl\ce{[Cr(H2O)4Cl2]Cl} has one ClX−\ce{Cl-} outside the coordination sphere.

Moles. 0.1×0.05=5×10−30.1\times0.05=5\times10^{-3} mol of AgCl.

Answer: 5