Correct Answer: 1, 2 and 3 are correct.
Subject: 2025
Explanation: <b>Key Fact</b><br>Statements 1, 2 and 3 are the correct statements about ethanoic acid; statement 4 is not.<br><br><b>Additional Info</b><br>Topic: Acids and Bases. The correct option is <b>A</b> — 1, 2 and 3 are correct..<br><br><b>Why the other options are wrong</b><br><b>Option B</b>: 1, 3 and 4 are correct. — not the option marked correct for this question.<br><b>Option C</b>: 2, 3 and 4 are correct. — not the option marked correct for this question.<br><b>Option D</b>: 1, 2 and 4 are correct. — not the option marked correct for this question.<br><br><b>Exam Trick</b><br>Identify the exact concept tested, then eliminate options that contradict the definition, formula, chronology or fact in the question.<br><br><b>Final Answer</b><br>Option A — 1, 2 and 3 are correct..