JEE Main 2016 · 9 Apr · Shift 1 · Chemistry Q48

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ChemistrySingle correct+4 / -1Question 48 of 90

Which one of the following complexes will consume more equivalents of aqueous solution of $\ce{Ag(NO3)}$ ?

\ce{Na3[CrCl6]}

\ce{[Cr(H2O)5Cl]Cl2}

\ce{[Cr(H2O)6]Cl3}

\ce{Na2[CrCl5(H2O)]}

Answer and worked solution

Official answer: C

Only chloride outside the coordination sphere precipitates with $\ce{Ag+}$ : three per formula unit in $\ce{[Cr(H2O)6]Cl3}$ , against two, zero and zero for the others.

Topics:Nomenclature

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JEE Main 2016 · 9 Apr · Shift 1, Chemistry question 48