What makes a substance a good proton donor or acceptor, and how does its strength affect its conjugate pair? 🧪 Let's review this core acids and bases question from the IB Chemistry HL May 2018 exam paper! Understanding Brønsted–Lowry definitions and the inverse relationship between the strength of an acid or base and its conjugate partner is a fundamental concept that frequently shows up in Paper 1. 📊 Want to see the full concept breakdown and check the correct answer key? Head over to my Face