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The energy of an electron revolving in n th Bohr's orbit of an atom is given by the expression;
(1) En= 2Π2 me2 z2/n2h2
(2) En= 2Π2 me2 z2/ n2h2
(3) En= 2Π2 me2 z2/n2h2
(4) En= 2Π2 me2 z2/n2h2
Ans: En= 2Π2 me2 z2/n2h2
Energy of the electron in Hydrogen atom is given by: (1) E n = 131.38/ n 2 x kj mol -1 (2) E n = 131.33/n xkj mol -1 (3) E n = 1313.3/ n 2 x kj mol
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Q. Illustrate the structure of Alkanes? Ans. Alkanes have the general formula C n H 2n+2 . This means that for every n atoms of carbon, there are 2n + 2 atoms of hydrogen.
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Q. Consumption of marine oils results in: Consumption of marine oils result in decrease in plasma lipids by reduced synthesis of fatty acids and low density lipoproteins.
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