The hybridisation of Ni in Ni(CO)4
Question
The hybridisation of Ni in Ni(CO)4
Solution
The hybridisation of Ni in Ni(CO)4 can be determined by the following steps:
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Identify the central atom: In Ni(CO)4, the central atom is Ni.
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Count the number of atoms attached to it (ignoring any double or triple bonds): Here, there are 4 CO molecules attached to Ni.
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Count the number of lone pairs on the central atom: Ni does not have any lone pairs.
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Add these two numbers together: 4 (from the CO molecules) + 0 (from the lone pairs) = 4.
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Use this number to determine the hybridisation: If the number is 2, the hybridisation is sp. If the number is 3, the hybridisation is sp2. If the number is 4, the hybridisation is sp3. In this case, the hybridisation of Ni in Ni(CO)4 is sp3.
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