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Explain the following observations:
(i) Generally there is an increase in density of elements from titanium (Z = 22) to copper (z =29) in the first series of transition elements.
(ii) Transition elements and their compounds are generally found to be good catalysts in chemical reactions.
The wavelength of the radiation emitted, when in a hydrogen atom electron falls from infinity to stationary state 1, would be (Rydberg constant 1.097 x 10 7 m -1 ) (1) 406 nm
A covalent bond between two atoms is formed by which of the following: (1) Electron nuclear attraction (2) Electron sharing (3) Electron transfer (
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The radius of the nucleus is related to the mass number A by : (1 )R= R 0 A 1/2 (2) R= R 0 A (3) R= R 0 A 2
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Q. Briefly explain about Diffusion of Gases? Ans. The following are some important points on the diffusion of gases: Gas molecules have an average kinetic energy
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Q. Describe Linkage Isomerism? Some ligands can coordinate to the metal through different donor ato...s present in the ligand. They are called ambidentate ligands and they can
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