(ii) Rate of physical adsorption decreases with rise of temperature. (iii) Physical adsorption is multilayered while chemical adsorption is mono layered. This site is using cookies under cookie policy. Answer. There is a similar form of scattering called Mie scattering which is responsible for the white colour of clouds. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. As a result, is scattered away by the particles in the atmosphere causing, Physical adsorption is an exothermic process. The light emitted by the sun has to travel a relatively longer distance through the atmosphere. Explain the following observation : (i) Sun looks red at the time of setting. asked May 24, 2019 in Chemistry by Anik (70.8k points) surface chemistry; class-12; 0 votes. Why ? To obtain 400 megawa Explain on the basis of colloidal properties. explain on the basis of colloidal properties? (i) Sun looks red at the time of setting. Why the sun looks red at the time of setting? (ii) for a fixed potential difference applied across a conductor, the drift speed of free electrons does not depend upon​, please help me out and tell me which one is correct im a bit confused, please tell me which one is correct im a bit confused, 34. The efficiency of powerhouse's fission reactor is 20%. As a result, blue part of light is scattered away by the particles in the atmosphere causing red part to be visible. You can specify conditions of storing and accessing cookies in your browser. The earth’s dust, gas and air particles scatter the sun’s light in different directions. An orange or red Sun in the early morning or late evening is a sight to behold. The light emitted by the sun has to travel a relatively. …, tt power from the power house how muchuranium required per hour. In process of nuclear fission of 1 g uranium, themass lost is 0.90 mg. energy of gas molecules increases with temperature. (a) Which property of colloids is responsible for the sun to look red at the time of setting ? Explain the following observation : (i) Sun looks red at the time of setting. 1 answer. Get the answers you need, now! At equilibrium as the temperature is increased, kinetic energy of gas molecules increases with temperature. (i) At the time of setting, the sun is at, . Why does the sky look red at sunrise and sunset? Physical adsorption is an exothermic process. The sky takes on these vivid hues due to a phenomenon called Rayleigh scattering. Which property of colloids is not dependent on the charge on colloidal particles? I think you write it by mistake. The rising and setting sun. Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Describe about the properties of colloids. Setting hai ya sunset. Why the sun looks red at the time of setting? When the surface of adsorbent is covered with one layer, no further reaction can take place. (b) C2H2 on addition with H2 forms ethane inpresence of palladium catalyst but if reaction is carried in the presence of barium sulphate and quinoline, the product is ethane and not ethane. How do the size of particles of adsorbent, pressure of gas and prevailing temperature influence the extent of adsorption of a gas on a solid ? (i) At the time of setting, the sun is at horizon. The red colour in the sky at sunset (and sunrise) is due to an effect called Rayleigh scattering. (a) Sun is at horizon and blue part of the light is scattered away by the dust particles as light has to travel a long distance through the atmosphere. At sunrise the earth is rotating towards the sun. At. explain on the basis of colloidal properties? (1) 88 g(2) 178 g(3) 44 g(4) 22 g​. Why Does the Sky Turn Red at Sunrise and Sunset? abuansari1622 is waiting for your help. Violet light has a peculiar property due to which it gets scattered the most. (a) Which property of colloids is responsible for the sun to look red at the time of setting ? As a result, blue part of light is scattered away by the particles in the atmosphere causing red part to be visible. (iii) Physical adsorption involves van der Waals forces, so any number of layers can be formed one over the other on the surface of the adsorbent. Add your answer and earn points. The light emitted by the sun has to travel a relatively longer distance through the atmosphere. Even more blue light is scattered away, leaving mostly the reddish component of white sunlight to travel the straighter path to your eyes. (i) At the time of setting, the sun is at horizon. Explain on the basis of colloidal properties. Why the sun looks red at the time of setting? distance through the atmosphere. Explain on the basis of colloidal properties. Red light gets scattered the least. Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Chemical adsorption take place as a result of the reaction between adsorbent and absorbate. By Aparna Kher. Explain the following observations : (i) A beam of light passing through a colloidal solution has a visible path. What do you understand by the terms : (i) CMC. Why the sun looks red at the time of setting? Best answer. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. Explain the following observation : (i) Sun looks red at the time of setting. Sunlight encounters more air molecules when the sun is low in the sky than when the sun is overhead. Why the sun looks red at the time of setting? Particles in our atmosphere that are approximately the same size as the wavelength of visible light cause the white light from the sun to scatter and split into individual components. So the setting sun looks red. Why’s the Sun Red during Sunrise and Sunset? A phenomenon called Rayleigh scattering causes light from the Sun to bounce off tiny particles in the atmosphere and scatter in different directions.

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