JEE MAIN - Chemistry (2016 - 9th April Morning Slot - No. 10)
Which one of the following complexes will consume more equivalents of aqueous
solution of Ag(NO3)?
Na3[CrCl6]
[Cr(H2O)5Cl]Cl2
[Cr(H2O)6]Cl3
Na2[CrCl5(H2O)]
Explanation
[Cr(H2O)6]Cl3 has the highest primary valency among the given complexes, that is, three, therefore, it will consume three moles of AgNO3 and precipitate three moles of AgCl.
[Cr(H2O)6]Cl3 + 3AgNo3 $$\to$$ 3AgCl + [Cr(H2O)6](NO)3
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