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The frequency of radiation emitted when the electron falls from n= 4 to n=1 in a hydrogen atom will be (Given ionization energy of H = 2.18x 10 -18 J atom-1 and h= 6.625x 10-
1.why hardness Bore water less than sea water?
Reaction of 4 - bromobenzyl chloride with sodium cyanide in ethanol leads to?
Ask qwhy is 5-bromovanillin the major productuestion #Minimum 100 words accepted#
What is the Coordination number of FCC (CN): If we take the corner atom, the face centered atoms are the nearest neighbors. A corner atom has four face centered in its own pl
Q. What are the physical properties of solids? Ans. Most solids eventually melt when heated. This is because the particles gain enough energy to exceed the attractive for
(a) Which aqueous solution has higher concentration 1 molar or 1 molar solution of the same solute? Give reason. (b) 0.5g KCI was dissolved in 100g water and the solution origi
Radius of the first Bohr's orbit of hydrogen atom is: (1)1.06 Å (2) 0.222 Å (3) 0.28 Å (4)0.53A Ans: 0.53 Å
Why bromoethane are insoluble Because only two layers form, two of the three substances are mutually soluble. we know that water and bromoethane are insoluble-they form two lay
what are the applications of coulumetry ?
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