QQuestionChemistry
QuestionChemistry
Draw the Lewis structure of NCO − (with minimized formal charges) and then choose the appropriate formal charges for each of the atoms.
A. N= 0,C= 0,O=−1
B. N=−1,C=+ 1,O=−1
C. N= 0,C= 0,O= 0
D. N=+ 1,C=−1,O=−1
E. N=−1,C= 0,O= 0
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Answer
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Step 1I'll solve this step by step with precise LaTeX notation:
Step 2: Determine the total number of valence electrons
Total valence electrons: $$5 + 4 + 6 + 1 = 16$$ electrons
• N: 5 valence electrons • C: 4 valence electrons • O: 6 valence electrons • Negative charge adds 1 electron
Final Answer
The correct answer is A: N= 0, C= 0, O=−1.
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