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प्रश्न
Explain the difference between Separation by distillation and by separating funnel.
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उत्तर
| S. No. | Separation by distillation | Separation by separating funnel |
| 1. | This method is employed for the separation of two miscible liquids. |
This method is employed for the separation of two immiscible liquids. |
| 2. | It is based on the difference in the boiling points of two liquids. | It is based on the difference in the densities of the two liquids. |
| 3. | Example: separate salt and water from saltwater. | Example: separating oil and water (two immiscible liquids) |
संबंधित प्रश्न
How would you confirm that a colourless liquid given to you is pure water?
Choose the correct option.
A mixture of acetone and benzene can be separated by the following method:
What will happen if the upper outlet of the condenser is connected to the tap instead of the lower outlet?
What is the difference between simple distillation and fractional distillation?
Define Distillation
Match the type of mixture of compounds in Column I with the technique of separation/purification given in Column II.
| Column I | Column II |
| (i) Two solids which have different solubilities in a solvent and which do not undergo reaction when dissolved in it. | (a) Steam distillation |
| (ii) Liquid that decomposes at its boiling point | (b) Fractional distillation |
| (iii) Steam volatile liquid | (c) Simple distillation |
| (iv) Two liquids which have boiling points close to each other | (d) Distillation under reduced pressure |
| (v) Two liquids with large difference in boiling points. | (e) Crystallisation |
Assertion (A): Simple distillation can help in separating a mixture of propan-1-ol (boiling point 97°C) and propanone (boiling point 56°C).
Reason (R): Liquids with a difference of more than 20°C in their boiling points can be separated by simple distillation.
Draw a diagram of bubble plate type fractionating column. When do we require such type of a column for separating two liquids. Explain the principle involved in the separation of components of a mixture of liquids by using fractionating column. What industrial applications does this process have?
What is distillation?
A mixture of benzene and chloroform is separated by ______.
