QQuestionChemistry
QuestionChemistry
"Draw a Lewis structure for ClO^4 - in which the central Cl atom obeys the octet rule, and answer the following questions based on your drawing.
The number of unshared pairs (lone pairs) on the central Cl atom is:
The central Cl atom forms single bonds.
The central Cl atom forms double bonds."
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Answer
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Step 1: Draw the skeletal structure of the ClO^4 - ion.
Place the central Cl atom and then add the four O atoms around it, ensuring each O atom is connected to the Cl atom with a single bond.
Step 2: Calculate the formal charge for the Cl atom.
In the skeletal structure, $N = 8$ (since it shares 4 electrons in 4 single bonds) and $B = 4$ (it forms 4 single bonds).
The formal charge for an atom in a Lewis structure is given by the formula:
Final Answer
- The number of unshared pairs (lone pairs) on the central Cl atom is 2. - The central Cl atom forms single bonds. - The central Cl atom forms no double bonds.
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