The volume (in mL ) of 0.1 M AgNO 3 required for complete precipitation of chloride ions present in 30 mL of 0.01 M solution of [ Cr ( H 2 O ) 5 Cl ] Cl 2 , as silver chloride is close to.

Question

The volume (in mL ) of 0.1 M AgNO 3 ​ required for complete precipitation of chloride ions present in 30 mL of 0.01 M solution of [ Cr ( H 2 ​ O ) 5 ​ Cl ] Cl 2 ​ , as silver chloride is close to.

TestHub · Accepted Answer

The complex [ Cr ( H 2 ​ O ) 5 ​ Cl ] Cl 2 ​ dissociates to give one [ Cr ( H 2 ​ O ) 5 ​ Cl ] 2 + ion and two Cl − ions. Moles of Cl − = 2 × 0.01 M × 30 mL = 0.6 mmol . Volume of 0.1 M AgNO 3 ​ = 0.1 M 0.6 mmol ​ = 6 mL .

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