Classify the following species into Lewis acids and Lewis bases and show how these act as Lewis acid`//`base:
a. `overset(Θ)(O)H, b. F^(Θ), c. H^(o+), d. BCl_(3)`

Explanation

To classify the given species into Lewis acids and Lewis bases and demonstrate how they act, we can follow these steps:

### Step 1: Understand the definitions
- **Lewis Acid**: A species that can accept an electron pair. It is typically electron-deficient.
- **Lewis Base**: A species that can donate an electron pair. It has a lone pair of electrons available for donation.

### Step 2: Analyze each species

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