What is paramagnetic susceptibility ? Describe one method of its determination.
Magnetic susceptibility means how much attracted or repelled when substance placed in an external magnetic field. It helps to measure mater...Read More
How many postulates of quantum mechanics ?
There are four postulates of quantum mechanics:- POSTULATE I. For any possible state of a system, there is a function, , of t...Read More
Explain the Basis set !
All of the molecular orbital calculations make use of some type of atomic wave functions that generally describe a single electron. The bas...Read More
What are the condition require for well behaved wave functions.
The condition required for the well-behaved function is:- 1. It should be single-valued. 2. It should be continuous. 3. It should be dif...Read More
Calculate the number of mode of vibration CO2, NO2 and H2o.
Calculation the Number of moe of vibration :- For linear molecule formula is 3N-5 F...Read More
Explain Eigen values and Eigen function with suitable example.
Eigenvalues:- The permissible values that a dynamical variable may have are those given by αφ = aφ, where φ is the eigenfunction of the...Read More
Explain Nuclear Fusion Reaction.
NUCLEAR FUSION REACTIONS:- These reactions take place by combination or fusion of two small nuclei into a larger nucleus. At extremel...Read More
why pyridine is more basic than pyrrole ?
Pyridine is more basic than pyrrole because in pyridine Loan pair on Nitrogen atom does not involve in resonance and in the case of pyrrole...Read More
What happen when anthracene is reduced by sodium and amyl alcohol ?
When anthracene is reduced by sodium and amyl alcohol anthracene forms 9:10 dihydroanthracene. Which is not fluorescent and which on heatin...Read More
What happens when anthracene is treated with Br2 in CCl4 ?
Bromination of anthracene in boiling carbon tetrachloride solution gives 9:10 dibromo anthracene. Read More
Explain that aromaticity decrease in the order : Benzene > Napthalene > Anthracene
Naphthalene has two aromatic rings, but only 10 pi electrons (rather than the twelve electrons that it would prefer). This means that naph...Read More
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