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Q. Explain about Bohr atomic model?
Bohr anticipated that hydrogen's single electron could orbit at only specific distances from the atom's nucleus. When the electron is in the orbit nearest the nucleus, it has the lowest possible energy. While the electron is in the next larger orbit it has a higher energy and so on through the larger allowed orbits. The electron is able to occupy only those specific allowed orbits and therefore can have only the energies associated with those orbits. When an electron is eager by an outside input of energy it can absorb only an amount of energy needed to jump to one of the higher-energy orbits. When it falls back to a lower-energy orbit the electron emits an amount (quantum) of energy equal to the difference in energy between the two orbits. For the reason that the emission spectrum of hydrogen consisted of several different frequencies Bohr assumed that the electron could inhabit orbits of several different energies designated by integers called quantum numbers. Bohr's model of the atom sometimes called the planetary model was accepted at the time for the reason that it explained hydrogen's atomic emission spectrum. Nevertheless the model was very limited in that it only worked for hydrogen.
How we get 49 gm = 1 eqv
Why does p-methoxybenzyl bromide reacts with ethanol faster than p-nitrobenzylbromide Solution) Because o-ch 3 is electron donating group while NO 2 is a electron withdrawing g
Hydrogen Peroxide Hydrogen peroxide is the other important hydride of oxygen. The oldest method of its preparation is by the action of dilute sulphuric acid on barium peroxide
Q. Test for the presence of linseed oil? Hexabromide test is done to know the extent of presence of linolenic acid. In presence of fish oils, which are rich in linolenic acid,
gattermann koch reaction mechanism
The electronic configuration (outermost) of Mn +2 ion (atomic number of Mn= 25 ) in its ground state is: (1) 3d 5 , 4s o (2) 3d 4 , 4s 1 (3
ionic bond has low energy
DIFFRACTION BY SOLIDS Diffraction performs when a wave interacts with a lattice whose dimensions are of the same order of magnitude as that of the wavelength of the waves. The
westron
How Ceriumis analyzed specrometrucally?
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