When the battery is discharging
A - VCE - SSCE Chemistry - Question 13 - 2011 - Paper 1
Question 13
When the battery is discharging
A. H<sup>+</sup> concentration decreases resulting in a higher pH.
B. H<sup>+</sup> concentration increases resulting in a higher ... show full transcript
Worked Solution & Example Answer:When the battery is discharging
A - VCE - SSCE Chemistry - Question 13 - 2011 - Paper 1
Step 1
A. H<sup>+</sup> concentration decreases resulting in a higher pH.
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Answer
This statement is incorrect. When a battery discharges, it produces more H<sup>+</sup> ions, leading to a decrease in pH.
Step 2
B. H<sup>+</sup> concentration increases resulting in a higher pH.
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Answer
This statement is incorrect. An increase in H<sup>+</sup> concentration would lower the pH.
Step 3
C. H<sup>+</sup> concentration decreases resulting in a lower pH.
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Answer
This statement is incorrect. A decrease in H<sup>+</sup> concentration would lead to a higher pH, not a lower one.
Step 4
D. H<sup>+</sup> concentration increases resulting in a lower pH.
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Answer
This statement is correct. When the battery discharges, the concentration of H<sup>+</sup> ions increases, resulting in a lower pH.
