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Q. Show example of electromagnetic radiation?
When light associated with energy hv, such that D0. = hv, is passed through a solution of [Ti(H20)6]3+, absorption of light takes place and the lone electron from ground state is raised to the excited state. Experimentally, it is found that the energy for this absorption is around 20,400 cm-1Hence, we can write D0= 20,400 cm-1 and CFSE = -2/5 x 20,400 or -8,160 cm-1 or approximately 98 kJ mol-1.
When 100 ml of M/10 H2SO4 is mixed with 500 ml of My/10 NaOH then nature of resulting solution and normality of excess reactant left is
Q. Name the types of food in which onion or garlic can be used for imparting health benefit. Bakery products, imitation meats and sausages and meat pies are the types of foods
Q. What is Entropy? Ans. The strangest thing about entropy is that it is denoted by the letter S. Entropy is the measure of the disorder in a system. A system with low en
What r the requirements for a good refractory material
Q. Show the chemical of Boron and aluminium? Boron and aluminium when heated with nitrogen torn the nitrides BN and AIN Nitrides of Ga and in are formed by heating the elements
Ask question the density of 2 molal aqueous solution of NaOH is 1.1.gram/litre. Calculate the molality of solution?
Q. Early Theories of Matter? In ancient Greece philosophers discussed the nature of matter. The philosopher Democritus held that matter was composed of elementary particles cal
Name the phenolic compounds of grapes and their significance . Phenolic acid, anthocyanins, flavonols, flavon-3-ols and tannins are the phenolic compounds of grapes. They preven
Why cyclo propane is more stable than cyclohexane
potentiometric titration
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