Which salt will produce a solution with a pH greater than 7 when dissolved in water?

  1. AlCl₃
  2. (NH₄)₂SO₄
  3. K₂CO₃
  4. NaNO₃

📝 Detailed explanation

K₂CO₃ is a salt of a strong base (KOH) and a weak acid (H₂CO₃). The carbonate ion (CO₃²⁻) undergoes basic hydrolysis to produce OH⁻ ions.
9 / 50 (18%)
Question 9 of 50
← Previous → Next Space — Show answer

🎯 Take a test on the topic «Variant #4 of the University Scholarship Examination»

This topic contains 50 questions. Test your knowledge!

🔐 Log in to take the test

📚 All tests by subject «Bio+Chem»

View all collections and topics in Bio+Chem

Go to subject →

Report an error

Answers are unavailable

This test collection is closed. To get full access, please purchase 🌟 premium

Contact by email