Balance the following equations. (a) VCl3 + Na + CO --> V(CO)6 + NaCl

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Step 1: Identify the type of reaction. In this case, it's a combination reaction where multiple reactants combine to form a single product.

Step 2: Start by balancing the atoms that appear in the most complex molecules first. In this case, we start with the Vanadium (V) atoms. There is 1 V atom on both sides of the equation, so it's already balanced.

Step 3: Next, balance the Chlorine (Cl) atoms. There are 3 Cl atoms on the left side (in VCl3) and 1 Cl atom on the right side (in NaCl). To balance this, we need to put a coefficient of 3 in front of NaCl on the right side.

Step 4: Now, balance the Sodium (Na) atoms. There are 3 Na atoms on the right side (in 3NaCl) and 1 Na atom on the left side. To balance this, we need to put a coefficient of 3 in front of Na on the left side.

Step 5: Finally, balance the Carbon (C) and Oxygen (O) atoms. There are 6 C atoms and 6 O atoms on the right side (in V(CO)6) and 1 C atom and 1 O atom on the left side. To balance this, we need to put a coefficient of 6 in front of CO on the left side.

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Complex formation refers to the process where a central metal atom or ion binds with surrounding molecules or ions, known as ligands. In the given equation, vanadium forms a complex with carbon monoxide, resulting in the compound V(CO)6. Recognizing how ligands interact with metal centers is crucial for understanding coordination chemistry and the properties of transition metal complexes.

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