Problem: Will H21+ be more or less stable than H 2, and why?1. more stable; H21+ has one more electron in bonding orbitals2. less stable; H21+ has one less electron in antibonding orbitals3. less stable; H21+ has one less electron in bonding orbitals4. more stable; H21+ has one less electron in antibonding orbitals5. less stable; H21+ has one more electron in antibonding orbitals

FREE Expert Solution
FREE Expert Solution

We’re being asked if H2+1 will be more or less stable than H2


We need to look at the molecular orbital (MO) diagram for each molecule; to do so:


Step 1: Calculate the total number of valence electrons present.

Step 2: Draw the molecular orbital diagram.


Recall that the bonding MOs are those without an asterisk (e.g., σ1s), while the antibonding MOs are those with an asterisk (e.g., σ1s*).


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Problem Details

Will H21+ be more or less stable than H 2, and why?

1. more stable; H21+ has one more electron in bonding orbitals
2. less stable; H21+ has one less electron in antibonding orbitals
3. less stable; H21+ has one less electron in bonding orbitals
4. more stable; H21+ has one less electron in antibonding orbitals
5. less stable; H21+ has one more electron in antibonding orbitals

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