Question

Заряд каких комплексных ионов равен +1: 1) [Co+3(H2O)4CL2] 2) [Cr+3(NH3)5CL] 3) [Pd+2(NH3)2(CN)2] 4) [Co+2(NH3)6]

Answer 1

Ответ задания: 1).....

Answer 2

To determine the charge of each complex ion, we need to consider the oxidation states of the central metal atom and the charges of the ligands coordinated to it.

1. [Co+3(H2O)4Cl2]: The central metal atom is Co (Cobalt), and it has a charge of +3 (Co+3). The ligands are H2O (water) and Cl (chloride). Water (H2O) is a neutral ligand, and chloride (Cl-) is negatively charged. Since there are four water ligands (neutral) and two chloride ligands (negatively charged), the total charge from the ligands is: 4 x 0 + 2 x (-1) = 0 - 2 = -2

So, the overall charge of the complex ion is +3 - 2 = +1.

2. [Cr+3(NH3)5Cl]: The central metal atom is Cr (Chromium), and it has a charge of +3 (Cr+3). The ligands are NH3 (ammonia) and Cl (chloride). Ammonia (NH3) is a neutral ligand, and chloride (Cl-) is negatively charged. Since there are five ammonia ligands (neutral) and one chloride ligand (negatively charged), the total charge from the ligands is: 5 x 0 + 1 x (-1) = 0 - 1 = -1

So, the overall charge of the complex ion is +3 - 1 = +2.

3. [Pd+2(NH3)2(CN)2]: The central metal atom is Pd (Palladium), and it has a charge of +2 (Pd+2). The ligands are NH3 (ammonia) and CN (cyanide). Ammonia (NH3) is a neutral ligand, and cyanide (CN-) is negatively charged. Since there are two ammonia ligands (neutral) and two cyanide ligands (negatively charged), the total charge from the ligands is: 2 x 0 + 2 x (-1) = 0 - 2 = -2

So, the overall charge of the complex ion is +2 - 2 = 0.

4. [Co+2(NH3)6]: The central metal atom is Co (Cobalt), and it has a charge of +2 (Co+2). The ligand is NH3 (ammonia), which is a neutral ligand. Since there are six ammonia ligands (neutral), the total charge from the ligands is: 6 x 0 = 0

So, the overall charge of the complex ion is +2 + 0 = +2.

The complex ion with a charge of +1 is option 1) [Co+3(H2O)4Cl2].