Archit dropped a crystal of potassium permanganate into two beakers a and b containing hot water and cold water respectively . after keeping the beakers undisturbed for sometime what did you observe and why ?
Answers
Answer:
Potassium permangante crystals have purple colour. In a beak B containing hot water, the purple colour would spread more readily as compared to the beaker A which contains in it cold water.
Explanation:
he'll observe that the pink colour due to potassium permanganate will be more in beaker A because beaker A contains hot water & we know that hot water has more molecular kinetic energy & that's why the pink color will spread more faster in beaker A
Potassium permangante crystals have purple colour. In a beak B containing hot water, the purple colour would spread more readily as compared to the beaker A which contains in it cold water. Actually the kinetic energy of the particles increases with the rise in temperature
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Answer:
- Potassium permangante crystals have purple colour. In a beak B containing hot water, the purple colour would spread more readily as compared to the beaker A which contains in it cold water.
- When crystals are added in a glass of cold and hot water, the following observations are observed:
- i) In a glass of cold water, the crystals settle down to the bottom and in case of hot water, it slowly spreads. The crystals can be observed dissolving in the water just above and blue/ purple color is observed.
- ii) After some time, the hot water becomes blue/purple and in cold water, no appreciable color change is observed because of less dissolution of crystals.
- iii) From the above observation, we can conclude that particles of matter move continuously and possess kinetic energy. The particles of matter also have diffusion property.
- iv) As the kinetic energy of particles depends on temperatures and increases with the increase of temperature. So, the rate of mixing also increases as observed in the case of hot and cold water.