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MMLU-Pro / 4130 / K_dissof water for 2H_2O …

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

K_dissof water for 2H_2O \rightleftarrows H_3O^+ + OH^- changes from 1.0 × 10^-14 at 25°C to 9.62 × 10^-14 at 60°C. Does the pH of water or its neutrality change when the temperature is increased from 25°C to 60°C?

category

chemistry

options

  1. Neutrality changes, with water becoming more basic, while pH remains constant
  2. Only pH changes, but the value increases
  3. pH decreases slightly, while neutrality remains the same
  4. Neither pH nor neutrality change
  5. pH doesn't change, neutrality changes
  6. Only neutrality changes, but the water becomes more acidic
  7. pH changes, neutrality doesn't
  8. Both pH and neutrality change, with water becoming more acidic
  9. Both pH and neutrality change
  10. Both pH and neutrality remain constant, but the concentration of H_3O^+ increases

src

stemez-Chemistry

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Source and history

upstream_id / Original problem ID
4130
task_id
98417fa8-43ee-5032-93f4-63f8550a63cb
task_key
default--test--4130
task_revision_id
1
config / split
default / test

Official source

initial import