Problem: Ionizing an H2 molecule to H2+ changes the strength of the bond.Based on the description of covalent bonding given previously, do you expect the H-H bond in H2+ to be weaker or stronger than the H-H bond in H2?

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We are asked if we expect the H-H bond in H2+ to be weaker or stronger than the H-H bond in H2?


↓ Bond order → ↓ Bond strength


H2

H → Group 1A → 1 e-
# of electrons = 1 e- x 2 = 2 e-

H2+

Remove 1 e- = 2 e- - 1 = 1 e-

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Problem Details

Ionizing an H2 molecule to H2+ changes the strength of the bond.

Based on the description of covalent bonding given previously, do you expect the H-H bond in H2+ to be weaker or stronger than the H-H bond in H2?

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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 MO Theory: Bond Order concept. You can view video lessons to learn MO Theory: Bond Order. Or if you need more MO Theory: Bond Order practice, you can also practice MO Theory: Bond Order practice problems.

What professor is this problem relevant for?

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