Question

One mole of the 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 two moles of $AgNO_{3}$ solution to yield two moles of $AgCl(s)$. The structure of the complex is.

• A. $\lbrack Co(NH_{3})_{5}Cl\rbrack Cl_{2}$
• B. $\lbrack Co(NH_{3})_{3}Cl_{3}\rbrack.2NH_{3}$
• C. $\lbrack Co(NH_{3})_{4}Cl_{2}\rbrack Cl.NH_{3}$
• D. $\lbrack Co(NH_{3})_{4}Cl\rbrack Cl_{2}.NH_{3}$

Answer 1

Answer: (A)

$\lbrack Co(NH_{3})_{5}Cl\rbrack Cl_{2}$

Answer 2