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The ratio of the energy of a photon of 2000Å wavelength radiation to that of 4000Å radiation is:
(1) 1/4
(2) 4
(3) 1/2
(4) 2
Ans: 2
Q. Explain Molarity and Replacement Reactions? Ans. Frequently in the chemistry lab we are confronted with situations where we are interested in the yield of a certain rea
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General Tests on Benzoic Acid (a) It dissolves in hot water but separates out in the form of white shining flakes on cooling. (b) Benzoic Acid evolves CO 2 with sodium bica
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Q. For a homogeneous reaction in which the reactants and products are solutes in a solution, write a rigorous relation between the standard molar reaction enthalpy and the temperat
Iso-electronic species is: (1) F - ,O -2 (2) F - , O (3) F - , O + (4) F - , O +2 Ans: F - ,O- 2
Q. Explain about Monohalides? Monohalides of the type M 2 X 2 , (where X = F, C1 and Br) are formed only by 0. S and Se. Oxygen monofluoride decomposes above 25 K. These monoha
CONVERT 28MG/LTR SODIUM HYDROXIDE INTO MILLI EQUVALENT
edta method
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