https://soh-cah-toa.pages.dev/tags/organic-chemistry/ Recent content in Organic Chemistry on SOH-CAH-TOA Hugo en-us Thu, 03 Sep 2026 21:55:56 +0700 https://soh-cah-toa.pages.dev/quizzes/chemistry/organic_chemistry_quiz/ Thu, 03 Sep 2026 21:55:56 +0700 https://soh-cah-toa.pages.dev/quizzes/chemistry/organic_chemistry_quiz/ <h1 id="organic-chemistry-quiz">Organic chemistry quiz</h1> <p><strong>Duration:</strong> 45 minutes<br> <strong>Total marks:</strong> 22</p> <p>Answer all questions. Show structural formulae clearly and include reaction conditions where requested.</p> <h2 id="section-a-multiple-choice-5-marks">Section A: Multiple choice (5 marks)</h2> <h3 id="q1-1-mark">Q1 (1 mark)</h3> <p>Which is the general formula for alkenes?</p> <p>A. $C_nH_{2n+2}$<br> B. $C_nH_{2n}$<br> C. $C_nH_{2n+1}OH$<br> D. $C_nH_{2n+1}COOH$</p> <h3 id="q2-1-mark">Q2 (1 mark)</h3> <p>Which change occurs from the bottom to the top of a fractional distillation column?</p> <p>A. Chain length increases.<br> B. Boiling point increases.<br> C. Volatility increases.<br> D. Viscosity increases.</p> https://soh-cah-toa.pages.dev/mark-schemes/chemistry/organic_chemistry_ms/ Thu, 03 Sep 2026 21:55:42 +0700 https://soh-cah-toa.pages.dev/mark-schemes/chemistry/organic_chemistry_ms/ <h1 id="organic-chemistry-marking-scheme">Organic chemistry marking scheme</h1> <blockquote> <p>This is the marking scheme for quiz: <a href="https://soh-cah-toa.pages.dev/quizzes/chemistry/organic_chemistry_quiz/">C11 - Organic Chemistry Quiz</a><br> Topic Guide: <a href="https://soh-cah-toa.pages.dev/guides/chemistry/organic_chemistry/">C11 - Organic Chemistry</a></p> </blockquote> <p><strong>Total marks: 22</strong></p> <p>Accept equivalent displayed or structural formulae where bonds and atom connections are unambiguous.</p> <h2 id="section-a-multiple-choice-5-marks">Section A: Multiple choice (5 marks)</h2> <h3 id="q1-1-mark">Q1 (1 mark)</h3> <p><strong>B</strong> — Alkenes have general formula $C_nH_{2n}$. [1]</p> <h3 id="q2-1-mark">Q2 (1 mark)</h3> <p><strong>C</strong> — Volatility increases from the bottom to the top of the column. [1]</p>