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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/ 4Π2 mr
(3) nh/ 4Π 2mr2
(4) h / 2 Π mr
Ans: 4 Π mr 2 / nh
Wurtz reaction and Allylic bromination by N-Bromosuccinimide (A) Wurtz reaction - Ethyl bromide on treatment along with metallic sodium forms butane, ethane and ethylene by inc
Westron_>zn+alcohol->?
If the value of azimuthal quantum number is 3, the possible values of magnetic quantum number would be: (1) 0, 1, 2, 3 (2) 0, - 1, - 2, - 3 (3) 0 ± 1± 2,± 3
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what is antifertility drugs ? definition with example
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CARBON, SILICON AND GERMANIUM With the valence electron configuration s 2 p 2 the nonmetallic group of elements 14 may form compounds with four tetrahedrally directed covalent
Number of nodal centres for 2s orbital: (1) 1 (2) 0 (3) 4 (4) 3 Ans: 1
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The ratio of the energy of a photon of 2000Å wavelength radiation to that of 4000 Å radiation is: (1) 1/4 (2) 4 (3) 1/2 (4) 2 Ans
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