Lewis Dot Structures: Sigma & Pi Bonds Video Lessons

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# Problem: Which of the two compounds, H2NNH2 and HNNH, has the strongest nitrogen-nitrogen bond, and which has the shorter nitrogen-nitrogen bond. a) H2NNH2 has the strongest nitrogen-nitrogen bond and HNNH has the shorter nitrogen-nitrogen bond. b) H2NNH2 has both the strongest nitrogen-nitrogen bond and the shorter nitrogen-nitrogen bond. c) HNNH has the strongest nitrogen-nitrogen bond and H2NNH2 has the shorter nitrogen-nitrogen bond. d) HNNH has both the strongest nitrogen-nitrogen bond and the shorter nitrogen-nitrogen bond.

###### FREE Expert Solution

Recall: ↑ bond order = ↑ bond strength = ↓ bond length

Lewis Structure of H2NNH2:

The bond order is 1.

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###### Problem Details

Which of the two compounds, H2NNH2 and HNNH, has the strongest nitrogen-nitrogen bond, and which has the shorter nitrogen-nitrogen bond.

a) H2NNH2 has the strongest nitrogen-nitrogen bond and HNNH has the shorter nitrogen-nitrogen bond.

b) H2NNH2 has both the strongest nitrogen-nitrogen bond and the shorter nitrogen-nitrogen bond.

c) HNNH has the strongest nitrogen-nitrogen bond and H2NNH2 has the shorter nitrogen-nitrogen bond.

d) HNNH has both the strongest nitrogen-nitrogen bond and the shorter nitrogen-nitrogen bond.

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

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Based on our data, we think this problem is relevant for Professor Han's class at UTSA.