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A complex compound which is formed by li...

A complex compound which is formed by ligands nitrate and chloride. It gives two moles of AgCl precipitate with `AgNO_(3)`. What will be its formulae :

A

`[Co(NH_(3))_(5)NO_(3)]Cl_(2)`

B

`[Co(NH_(3))_(5)CI]NO_(3)Cl`

C

`[Co(NH_(3))_(4)Cl_(2)]NO_(3)`

D

`[Co(NH_(3))_(4)CINO_(3)]Cl`

Text Solution

AI Generated Solution

The correct Answer is:
To determine the formula of the complex compound formed by the ligands nitrate and chloride, we need to analyze the information given in the question step by step. ### Step 1: Understand the Ligands The complex compound is formed by two types of ligands: nitrate (NO3) and chloride (Cl). We need to consider how these ligands are arranged in the complex. ### Step 2: Analyze the Precipitate Formation The question states that the complex gives two moles of AgCl precipitate when reacted with AgNO3. This indicates that there are two chloride ions available to react with silver nitrate (AgNO3) to form silver chloride (AgCl). ### Step 3: Determine the Number of Chloride Ions Since two moles of AgCl are formed, it implies that there are 2 moles of Cl ions in the complex. Therefore, we can conclude that the complex must contain 2 chloride ions. ### Step 4: Consider the Nitrate Ligands The question does not specify the number of nitrate ions directly, but we know that they are also part of the complex. In a typical octahedral complex, ligands can be present in varying numbers. However, since we are only given information about the chloride ions precipitating with AgNO3, we will focus on the chlorides for now. ### Step 5: Formulate the Complex Given that we have 2 chloride ions, we can denote them as Cl2. The presence of nitrate ions can be represented as NO3. The simplest way to represent the complex would be to assume that there are 2 nitrate ions to balance the charge and maintain the octahedral coordination. ### Step 6: Write the Formula Combining the information from the previous steps, we can write the formula for the complex as: \[ \text{[M(NO}_3\text{)}_2\text{Cl}_2] \] Where M represents the metal center of the complex. ### Conclusion Thus, the formula of the complex compound formed by the ligands nitrate and chloride, which gives two moles of AgCl precipitate, is: \[ \text{[M(NO}_3\text{)}_2\text{Cl}_2] \]
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