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Briefly discuss the physical origin and uses of Hall effect? Its physical origin follows from the Boltzmann Transport phenomenon. It is used to get carrier density and the sign
chemical properties with reactions of alkali metals
The filling of the table defined above leads to a natural division of the periodic table into blocks according to the outer electron configurations of atoms (see Fig. 2). All s blo
In the following which substance will have highest boiling point: (1) He (2) CsF (3) NH 3 (4) CHCl 3 Ans: CsF
Bond enthalpies The most straightforward measure of the strength of a bond is the energy needed to break it. Estimates of such bond energies are usually obtained from thermo c
Tests of benzaldehyde - aldehydes and ketones (a) It forms a white precipitate with solution. (b) It creates a yellow precipitate with 2: 4 dinitrophenyl hydrazines. (
Its Tetrahedral ( 4 sigma bonds )
The π electrons of a conjugated molecule can be modeled as a particle in a box where the box length is a little more than the length of the conjugated chain. The Pauli exclusion pr
give 2 examples of compounds that are bonded in the following ways (a) Hydrogen bonding (b)Vander waal forces (c) Co-ordinate covalent bonding. Explain with the aid of diagram how
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