How can you quickly determine if a water-soluble unknown is an acid or a base using only water and indicator paper?
University of Ilorin CHM108 practice past question
- Dissolve it in water and test the solution with litmus paper
- Dissolve it in water and heat to boiling to observe gases
- Add water and look for the formation of a precipitate
- Mix with water and observe if the container becomes cold
Register free to see the answer and step-by-step explanation
More University of Ilorin CHM108 practice past questions
Related questions
- What does it mean if a water-soluble unknown organic compound turns blue litmus paper red?
- What is the primary purpose of preparing a derivative of an unknown organic compound?
- How do you quickly differentiate between an aliphatic and an aromatic compound in the laboratory?
- An unknown organic component dissolves in dilute NaOH but does not dissolve in NaHCO₃. What is it likely to be?
- Which of the following chemical tests is used to test for unsaturation (presence of double or triple bonds) in organic compounds?
- What is the very first step when identifying an unknown organic compound in a qualitative analysis scheme?
