Hydrogen-atom, If hydrogen atom is in an energy level represented by n=4,ho...

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)

Difference between methanol and ethanol, Difference between methanol and et...

Difference between methanol and ethanol Methanol Ethanol (a) When CH 3 OH is heated on Cu coil it gives formalin like smell.

Explain stereochemical and regiochemical issues, After the  treatment  of A...

After the  treatment  of A  with concentrated H 2 SO 4 and acetonitrile under thermodynamic conditions, only E formed that was subsequently hydrolyzed to B. Draw the structure of

Show two reactions have identical value of ea, Two reactions have identical...

Two reactions have identical value of Ea. Does it the mean that they have same rate constant if run at the same temperature?Illustrate.

De?ne surveying, (a) De?ne surveying. Brie?y describe about chain and acces...

(a) De?ne surveying. Brie?y describe about chain and accessories. (b) Sketch the plan and suitable section of a single room having 5.0 m X 4m size and 3m height. Assume the ba

Ionic bond,

Determine the crystal field stabilization energy, 1. (a)  Reacting Pt 2+ w...

1. (a)  Reacting Pt 2+ with two equivalents of each of the ligands NO 2 - and en, it is possible to prepare several complexes that could be described as both geometric and  opti

Physical chemistry, given that ksp of MG(OH)2 is 0.000000000089,calculate t...

given that ksp of MG(OH)2 is 0.000000000089,calculate the solubility of Mg(OH)2 in a solution buffered at pH=9

Organic chemistry-electrometric effect, give one book name about electromat...

give one book name about electromatric effect?&author name?

Differences in between the mixtures and compounds, Explain the mixtures and...

Explain the mixtures and compounds   Mixture Compound 1.      Mixtures are made from 2 or more substances which are not chemically co