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The statements:(1) In filling a group of orbitals of equal energy, it is energetically preferable to assign electrons to empty orbitals rather than pair them into a particular orbital.(2) When two electrons are placed in two different orbitals, energy is lower if the spins are parallel.are valid for
(1) Aufbau principle
(2) Hund's rule
(3) Pauli's exclusion principle
(4) Uncertainty principle
Ans: Hund's rule
oxo process - Hydrocabon It is as well known as carbonylation or hydroformylation reaction. A group of alkene carbon monoxides and hydrogen. Elevated temperature and under pres
Hybrid propellants: These propellants are the propellants which contain solid fuel & a liquid oxidiser. For instance, liquid N 2 O 4 or liquid oxidizer and acrylic rubber (s
The diffraction of x-ray by a crystal gives 1st order ref at 14•12'' if lattice dist is 3.14 A• wht is the wavelength of x-ray
The electronic configuration of gadolinium (atomic no. 64) is: (1) [Xe]4s 8 5d 9 6s 2 (2) [Xe] 4s 1 5d 1 6s 2 (3) [Xe]4s 3 5d
WHY WE CALCULATE GERM OIL ACIDITY OF WHEAT FLOUR?
Perfect gases are assumed to be comprised of infinitesimally small particles and to interact only at the point of collision. At intermediate pressures, the volume of the gas become
Q. Describe Subatomic Particles and the Nuclear Atom? One of the most significant results of Dalton's theory was that it generally persuaded scientists that atoms exist. As a r
General Organic Chemistry Carbon is an necessary element of organic substance; it has four electrons in its outer most shell. As per to the ground state electronic arrangeme
a metal forms 2 oxides. the higher oxide has 80% metal. 0.72g of lower oxide gave 0.8g of higher oxide when oxidised. show that law of multiple proportion is valid?
what is inductomeric
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