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Xelga [282]
3 years ago
10

An unknown solution has a pH of two. How would you classify this solution?

Chemistry
2 answers:
Igoryamba3 years ago
7 0
I would say it is an acidic solution. Anything with a pH between 0 and 7 is considered acidic, 7 is neutral, and 7-14 is basic.
Artyom0805 [142]3 years ago
6 0

This would be an acidic solution since the pH level would be under 7, which means that the solution would be acidic

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What is the lowest unoccupied molecular orbital in F2?
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Answer:

σ*2pₓ, also called 3\sigma_{u}\text{*}

Explanation:

I have drawn the MO diagram for fluorine below.

Each F atom contributes seven valence electrons, so we fill the MOs of fluorine with 14 electrons.

We have filled the \pi \text{*2p}_{y} and \pi \text{*2p}_{z} MOs.

They are the highest occupied molecular orbitals (HOMOs).

The next unfilled level (the LUMO) is the σ*2pₓ orbital. If you use the symmetry notation, it is called the 3\sigma_{u}\text{*} orbital.

This is the orbital that fluorine uses when it acts as an electron acceptor.

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