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According to Bohr's principle, the relation between principle quantum number and radius of orbit is:
(1) r ∞ n
(2) r ∞ n2
(3) ∞1/n
(4) r∞ 1/ n2
Ans: r ∞ n2
The electronic configuration of copper (29 cu) is: (1)1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 3d 9 , 4s 2 (2) 1s 2 , 2s 2 , 2p 6, 3s 2 , 3p 6 , 3d 10 , 4s 1 (3) 1s 2 , 2s
How does it help in stabilising a structure Ans) More alpha hydrogens more hyper conjugations More hyper conjugation more is the stability Less inductive effect more hyper
What is piezoelectricity Piezoelectricity provides us a means of converting electrical energy to presume new geometric positions and mechanical dimensions of the substance are
convert benzene to phathalic acid #Minimum 100 words accepted#
From the following which group of elements easily forms cation: (1) F, CL, Br (2) Li, Na, K (3) O, S, Se, (4)
chemical reactions
how to determine the bond polarity and the potential of the two electrodes given: Eg Ag/Zn
Q. Show the d-orbital energy level splitting? Let us consider one of the consequences of the d-orbital energy level splitting. [Ti (H2o 6 ) 3+ is a d 1 system meaning that t
How will do project work on purification of organic compounds by crystalization and distillation from water and alcohol?
In this synthesis of indole the addition of keto thioether to choloroamine to give sulphonium ion. this reaction is carried out at low temperature . why?
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