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Q. Show example of electromagnetic radiation?
When light associated with energy hv, such that D0. = hv, is passed through a solution of [Ti(H20)6]3+, absorption of light takes place and the lone electron from ground state is raised to the excited state. Experimentally, it is found that the energy for this absorption is around 20,400 cm-1Hence, we can write D0= 20,400 cm-1 and CFSE = -2/5 x 20,400 or -8,160 cm-1 or approximately 98 kJ mol-1.
the set of numerical coefficients in the equation K2CrO4+HCl=K2Cr2O7+KCl is
Octet rule is not valid for the molecule: (1) Co 2 (2) H 2 O (3) CO
What is the difference between a theory and a hypothesis? What is the difference between a hypothesis and a law? Is there a sequential move from one to another, amongst law, theory
Copper=54.1%, oxygen=20.1% and the balance sulfur. Could this also be the molecular formula? What other data is needed?
The radius of first Bohr's orbit for hydrogen is 0.53 Å. The radius of third Bohr's orbit would be: (1) 0.79 Å (2) 1.59 Å (3) 3.18 Å (4)4.77 Å
what is the formula for the binary ionic compound formed between sodium and iodine
H2O is liquid buy why H2s gas? who it is one group.
#questiowhy HNO3 is not used for detection of acidic radical of 1st and 2nd group ions?n..
Why do we have Li2Co3 while other akalie metals behaviour
state the adverse effect of common air pollution on buildings and health
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