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If change in energy (ΔE) = 3x 10 -8 j, h= 6.64x 10 -34 j-s and c= 3x 10 8 m/s then wavelength of the light is: (1) 6.36x 10 3 Å (2) 6.36x 10 5 Å
can you locate ortho,meta para positions on a benzene ring
what is the precaution
IONS IN AQUEOUS SOLUTION Ionic models : Ions are charged chemical substance. Positively charged ions are called cations as they travel to the cathode of an electrolytic c
The process of chromatography involves passing a mixture dissolved in the "mobile phase" through a stationary phase, which separates the analyte which is to be measured from the ot
why HNO3 is not used for detection of acidic radical of 1st and 2nd group ions?
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
locallized and delocalized bond
When a strip of metal (M) is brought in contact with the solution containing its own ions (Mn+), then either of the following three possible processes can take place: The meta
The number of orbitals in the fourth principal quantum number will be: (1) 4 (2) 8 (3) 12 (4) 16 Ans: 16
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