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how is the material extracted from concentrated ore?
what are ion? under what conditions are they produced?
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
Alkyl ligands form metal carbon σ bonds. Usually they occur in conjunction with other organic ligands or CO, but may be achieved on their own, as in tungsten hexamethyl (1), and
Differentiate between extrinsic and intrinsic semiconductor. Obtain an expression for the carrier concentration for an intrinsic semi-conductor. Also demonstrate that Fermi level i
what is isomer
Physical properties Alkyl Halides (i) CH 3 F,CH 3 Cl, CH 3 Br and C 2 H 5 Cl are gases at room temperature. The alkyl halides up to be colourless liquids whereas higher members
Explain the steps involved in the preparation of either potassium dichromate from sodium chromate or potassium permanganate from manganese dioxide.
'Cohesive energy' : In a chemical bond, it is the energy needed to dissociate a solid into isolated atoms or molecules as appropriate.
Photon absorption for IR spectroscopy Absorption spectroscopy refers to spectroscopic methods which measure the absorption of radiation, as a function of frequency or waveleng
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