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Isotonic, Hypotonic, Hypertonic, reverse Osmosis (Part - 29)- Solutions, Chemistry, Class 12 Video Lecture

FAQs on Isotonic, Hypotonic, Hypertonic, reverse Osmosis (Part - 29)- Solutions, Chemistry, Class 12 Video Lecture

1. What is an isotonic solution?
Ans. An isotonic solution is a solution that has the same concentration of solutes as the cell or tissue it is being compared to. This means that the concentration of solutes inside the solution is equal to the concentration of solutes inside the cell. Isotonic solutions do not cause any net movement of water across the cell membrane.
2. What is a hypotonic solution?
Ans. A hypotonic solution is a solution that has a lower concentration of solutes compared to the cell or tissue it is being compared to. This means that the concentration of solutes inside the solution is lower than the concentration of solutes inside the cell. In a hypotonic solution, water moves into the cell, causing it to swell or potentially burst.
3. What is a hypertonic solution?
Ans. A hypertonic solution is a solution that has a higher concentration of solutes compared to the cell or tissue it is being compared to. This means that the concentration of solutes inside the solution is higher than the concentration of solutes inside the cell. In a hypertonic solution, water moves out of the cell, causing it to shrink or shrivel.
4. What is reverse osmosis?
Ans. Reverse osmosis is a water purification process that uses a semipermeable membrane to remove ions, molecules, and larger particles from water. In this process, pressure is applied to the more concentrated solution, forcing water molecules to pass through the membrane while leaving behind impurities. Reverse osmosis is commonly used in desalination plants, as well as for the production of purified drinking water.
5. How do isotonic, hypotonic, and hypertonic solutions affect cells?
Ans. Isotonic solutions do not cause any net movement of water across the cell membrane and do not affect cell size. Hypotonic solutions cause water to move into the cell, causing it to swell or potentially burst. Hypertonic solutions cause water to move out of the cell, causing it to shrink or shrivel. The effects of these solutions on cells depend on the concentration of solutes inside and outside the cell.
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