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The color in KMnO4 arises from an electronic transition, but it is actually not a d-d ... When the light is reflected (or transmitted) it is missing the frequencies of the light absorbed, and so it looks pink.
Given that dH for the reaction is -92.2 kJ mol-1, which is larger, the total bond dissociation energy of the reactants or the total bond dissociation energy of the products?
Q. Determine the frequency of light wave? Ans. The wavelength of red light is 7.0 x 10 -7 m. What is the frequency? c = λv The first thing to remember here is that
Question: Does the number of steps in a reaction process affect the enthalpy change of the overall reaction? Hypothesis: To compare experimental data to functionality of He
Explain the mechanism of fluid film or hydrodynamic lubrication.
In the following reactions , identify each lettered (A,B,C,D,E,F)product.
Q. Place these types of light in order from highest to lowest energy. Infrared light, ultraviolet, radio waves, microwaves, green light? Ans: Highest Energy radio waves
The Calorie, used to express food heat values, is similar as a kilocalorie of heat energy . If you eat a chocolate bar from the United States with 600 Calories of food energy, how
Aufbau principle is obeyed in which of the following electronic configurations: (1) 1s 2 2s 2 2p 6 (2) 1s 2 3p 6 3s 2 (3) 1s 2 3s 2 3p 6
The configuration 1s 2 2s 2 2p 5 3s 1 shows: (1) Ground state of fluorine atom (2) Excited state of fluorine atom (3) Excited state of neon atom (4) Excited state
Which have the same number of S electrons as the d - electrons in fe2+
Mostly compounds of d block elements exibitcolour dueto d-d transistions between partially filled eg and t2gbut the reason for colour of KmnO4 and K2Cr2O7 is due to partial chanrge transfer between central atom and oxygen which causes colour
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