One mole of the octahedral complex compound gives 3 moles of ions on dissolution in water. One mole of the same complex reacts with excess of solution to yield two moles of . The structure of the complex is: [2025]

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Q.
One mole of the octahedral complex compound $[Co {({NH}_{3})}_{5} {Cl}_{3}]$ gives 3 moles of ions on dissolution in water. One mole of the same complex reacts with excess of ${AgNO}_{3}$ solution to yield two moles of ${AgCl}_{(s)}$ . The structure of the complex is: [2025]

1 $[Co {({NH}_{3})}_{3} {Cl}_{3}] . 2 {NH}_{3}$

2 $[Co {({NH}_{3})}_{5} Cl] {Cl}_{2}$

3 $[Co {({NH}_{3})}_{4} {Cl}_{2}] . Cl . {NH}_{3}$

4 $[Co {({NH}_{3})}_{4} Cl] . {Cl}_{2} . {NH}_{3}$

Ans.
(2)

$[Co {({NH}_{3})}_{5} Cl] {Cl}_{2} (aq) \to {[Co {({NH}_{3})}_{5} Cl]}^{2 +} (aq) + 2 {Cl}^{-} (aq) \overset{{excess AgNO}_{3}}{\to} [Co {({NH}_{3})}_{5} Cl] {({NO}_{3})}_{2} (aq) + 2 AgCl (s)$

Solution

Q.
One mole of the octahedral complex compound $[Co {({NH}_{3})}_{5} {Cl}_{3}]$ gives 3 moles of ions on dissolution in water. One mole of the same complex reacts with excess of ${AgNO}_{3}$ solution to yield two moles of ${AgCl}_{(s)}$ . The structure of the complex is: [2025]

1 $[Co {({NH}_{3})}_{3} {Cl}_{3}] . 2 {NH}_{3}$

2 $[Co {({NH}_{3})}_{5} Cl] {Cl}_{2}$

3 $[Co {({NH}_{3})}_{4} {Cl}_{2}] . Cl . {NH}_{3}$

4 $[Co {({NH}_{3})}_{4} Cl] . {Cl}_{2} . {NH}_{3}$

Ans.
(2)

$[Co {({NH}_{3})}_{5} Cl] {Cl}_{2} (aq) \to {[Co {({NH}_{3})}_{5} Cl]}^{2 +} (aq) + 2 {Cl}^{-} (aq) \overset{{excess AgNO}_{3}}{\to} [Co {({NH}_{3})}_{5} Cl] {({NO}_{3})}_{2} (aq) + 2 AgCl (s)$

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Solution

Q. One mole of the octahedral complex compound [Co(NH3)5Cl3] gives 3 moles of ions on dissolution in water. One mole of the same complex reacts with excess of AgNO3 solution to yield two moles of AgCl(s). The structure of the complex is: [2025]

1 [Co(NH3)3Cl3].2NH3

2 [Co(NH3)5Cl]Cl2

3 [Co(NH3)4Cl2].Cl.NH3

4 [Co(NH3)4Cl].Cl2.NH3

Ans. (2) [Co(NH3)5Cl]Cl2(aq)→[Co(NH3)5Cl]2+(aq)+2Cl-(aq)→excess AgNO3[Co(NH3)5Cl](NO3)2(aq)+2AgCl(s)

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Q.
One mole of the octahedral complex compound $[Co {({NH}_{3})}_{5} {Cl}_{3}]$ gives 3 moles of ions on dissolution in water. One mole of the same complex reacts with excess of ${AgNO}_{3}$ solution to yield two moles of ${AgCl}_{(s)}$ . The structure of the complex is: [2025]

1 $[Co {({NH}_{3})}_{3} {Cl}_{3}] . 2 {NH}_{3}$

2 $[Co {({NH}_{3})}_{5} Cl] {Cl}_{2}$

3 $[Co {({NH}_{3})}_{4} {Cl}_{2}] . Cl . {NH}_{3}$

4 $[Co {({NH}_{3})}_{4} Cl] . {Cl}_{2} . {NH}_{3}$

Ans.
(2)

$[Co {({NH}_{3})}_{5} Cl] {Cl}_{2} (aq) \to {[Co {({NH}_{3})}_{5} Cl]}^{2 +} (aq) + 2 {Cl}^{-} (aq) \overset{{excess AgNO}_{3}}{\to} [Co {({NH}_{3})}_{5} Cl] {({NO}_{3})}_{2} (aq) + 2 AgCl (s)$