Bubbles Will Form on Wires Attached to a 9 V

question 85

Multiple Choice

Bubbles will form on wires attached to a 9 V battery placed in water.Which statements correctly describe what is happening?
I.The wire attached to the( -) battery electrode becomes the cathode, and water is being reduced there producing hydrogen gas.
II.The wire attached to the (+) battery electrode becomes the anode, and water is being oxidized there producing oxygen gas.
III.The wire attached to the( -) battery electrode becomes the cathode, and water is being oxidized there producing oxygen gas.
IV.The wire attached to the (+) battery electrode becomes the anode, and water is being reduced there producing hydrogen gas.

• A)I and II
• B)III and IV
• C)I and III
• D)II and IV
• E)I and IV

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