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The correct ground state electronic configuration of chromium atom is: (1) [Ar] 3d 5 4s 1 (2)[Ar]3d 4 4s 2 (3) [AR]3d 6 4s 0 (4
atoms combine to form molecule because they tend to
1 gram of pure sodium carbonate is dissolved in water and the solution is made up to 50 ml of this solution 50 ml of 0.1 N HCl is added whose volume is 50 ml and the mixture furthe
The ionization energy of hydrogen atom is -13.6eV. The energy required to excite the electron in a hydrogen atom from the ground state to the first excited state is (Avogadro's co
Which of the following reduces the activation energy of a chemical reaction?
Semi-synthetic polymers Rayon and other cellulose derivatives such as cellulose nitrate, cellulose acetate so on, are semi-synthetic polymers. These illustrated as thermoplasti
what are grignard reagants ? how are tthey prepared is laboratory ? what makes them so important in synthetic chemistry?
Short note on synthetic rubber. S ol. Synthetic rubber: main types of synthetic rubbers: 1. Styrene rubber: Buna-S; Bu-Butadiene; Na=sodium; = Styrene
the equation of langmuir isotherm was derived on basis of
Q. Example to show scientific notation? Solve the following problem. 2.45 *10 14 kg + 4.00 * 10 12 kg First articulate both quantities to the same power of ten. Either
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