Which of the following hydrogen compounds is most likely to act as a Lewis acid?

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Question: Which of the following hydrogen compounds is most likely to act as a Lewis acid?

Options:

Correct Answer: B2H6

Solution:

Boron hydride (B2H6) can accept electron pairs, making it a Lewis acid.

Which of the following hydrogen compounds is most likely to act as a Lewis acid?

Which of the following hydrogen compounds is most likely to act as a Lewis acid?

Step 1: Understand what a Lewis acid is. A Lewis acid is a substance that can accept an electron pair from another substance.
Step 2: Look at the hydrogen compounds given in the question. We need to identify which one can accept electron pairs.
Step 3: Consider boron hydride (B2H6). Boron has an incomplete octet, meaning it can accept extra electrons.
Step 4: Since B2H6 can accept electron pairs, it fits the definition of a Lewis acid.
Step 5: Compare B2H6 with other hydrogen compounds to confirm that they do not have the same ability to accept electron pairs.

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