AP Chemistry practice questions

Five original AP Chemistry-style questions on pH of strong acids, ionization energy trends, molecular geometry, catalysts and gas laws, each with a worked explanation. When you're ready, paste your own unit notes or upload a PDF to get a full practice test with an answer key and flashcards.

Question 1 of 5

What is the pH of a 0.010 M solution of HCl at 25 °C?

Question 2 of 5

Which of these atoms has the highest first ionization energy?

Question 3 of 5

What is the molecular geometry of ammonia (NH3)?

Question 4 of 5

Adding a catalyst to a reversible reaction at equilibrium will:

Question 5 of 5

A fixed amount of an ideal gas is held at constant temperature. If its pressure is doubled, its volume will:

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