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Question
Distinguish between:
Saturated hydrocarbons - Unsaturated hydrocarbons
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Solution
| Saturated hydrocarbons | Unsaturated hydrocarbons | |
| 1. | Hydrocarbons having the carbon atoms linked to each other by single bonds are called saturated hydrocarbons. | Hydrocarbons having at least one carbon-carbon double or triple bond are called unsaturated hydrocarbons. |
| 2. | On burning, saturated hydrocarbons give a clean, blue flame. | On burning, unsaturated hydrocarbons give a yellow flame with lots of black smoke. |
| 3. | Saturated hydrocarbons do not decolourize bromine or iodine solutions. | Unsaturated hydrocarbons decolourize bromine or iodine solutions. |
| 4. | Saturated hydrocarbons are less reactive. | Unsaturated hydrocarbons are usually highly reactive. |
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(ii) \[\begin{array}{cc} \phantom{....}\ce{H}\phantom{...}\ce{H}\phantom{....}\\ \phantom{....}|\phantom{....}|\phantom{....}\\ \ce{H - C - C = O}\\|\phantom{.....}\\ \ce{H}\phantom{.....}\end{array}\] |
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