What is the standard reduction potential for the half-reaction H2 → 2H+ + 2e-?

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Question: What is the standard reduction potential for the half-reaction H2 → 2H+ + 2e-?

Options:

Correct Answer: 0.00 V

Solution:

The standard reduction potential for the half-reaction H2 → 2H+ + 2e- is defined as 0.00 V.

What is the standard reduction potential for the half-reaction H2 → 2H+ + 2e-?

What is the standard reduction potential for the half-reaction H2 → 2H+ + 2e-?

Step 1: Understand that the half-reaction H2 → 2H+ + 2e- represents the process of hydrogen gas (H2) losing electrons.
Step 2: Recognize that this half-reaction is a reduction process, where H2 is being converted into protons (H+).
Step 3: Know that standard reduction potentials are measured against a standard reference, which is the hydrogen electrode.
Step 4: Remember that the standard reduction potential for the hydrogen electrode (H2 → 2H+ + 2e-) is defined as 0.00 V.
Step 5: Conclude that the standard reduction potential for the half-reaction H2 → 2H+ + 2e- is therefore 0.00 V.

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