Problem: Which of the Lewis structures for NO is dominant based on analysis of the formal charges?

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We’re being asked to determine the dominant structure for NO given:

Two Lewis structures show N double bonded to O. In the first, N has one pair and one lone dot, and O has two pairs. In the second, N has two pairs and O has one pair and one lone dot.


For this problem, we need to compare the formal charge of each structure. 


Recall that the formula for the formal charge is:


F.C.=Group Number-(Bonds+Nonbonding e-)


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Problem Details

Which of the Lewis structures for NO is dominant based on analysis of the formal charges?

Two Lewis structures show N double bonded to O. In the first, N has one pair and one lone dot, and O has two pairs. In the second, N has two pairs and O has one pair and one lone dot.


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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Formal Charge concept. You can view video lessons to learn Formal Charge. Or if you need more Formal Charge practice, you can also practice Formal Charge practice problems.