Question
State and explain the observations made when iodine crystals is heated in a boiling tube?
Answer
- Black crystals changes directly into purple vapour
- The iodine crystals (sublimes) changed directly into a purple vapour without passing
- liquid state and changed back to black iodine crystals on the upper cooler parts of boiling tube
- The iodine crystals (sublimes) changed directly into a purple vapour without passing
- liquid state and changed back to black iodine crystals on the upper cooler parts of boiling tube