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Which of the following represents the correct sets of the four quantum numbers of a 4d electron:
(1) 4,3,2,1/2
(2) 4, 2, 1, 0
(3) 4,3,-2+1/2
(4) 4.2.1.-1/2
Ans: 4.2.1.-1/2
The number of radial nodes of 3s and 2p orbitals are respectively : (1) 2, 0 (2) 0, 2 (3) 1, 2 (4) 2, 1 Ans: 2, 0
Q. Consider a hypothetical system in which two aqueous solutions are separated by a semiper- meable membrane. Solution ? is prepared by dissolving 1.00 x 10 -5 mol KCl in 10.0 g
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Time taken for an electron to complete one revolution in the Bohr orbit of hydrogen atom is: (1) 4 Π mr 2 / nh (2) nh/ 4Π 2 mr (3) nh/ 4Π 2 mr 2
define alkanes and explain classification of alkanes.
Nuclei tend to have more neutrons than protons at high mass numbers because: (1) Neutrons are neutral particles (2) Neutrons have more mass than protons (3) More neut
a hittorf cell fitted with Ag-AgClis filled with HCl solution that contains 0.0003856g HCl/g water. A current of 2 mA is passed for exactly 3 hours. the solutions are withdrawn, we
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What is the principle underlying the extraction of metal
conductometric determination of hydrolysis constant of conjugate base of weak acid experiment?
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