Series limit for balmer series of h-spectra, The series limit for Balmer se...

The series limit for Balmer series of H-spectra is: (1) 3800          (2) 4200         (3) 3646                (4) 4000 Ans:  3646

Rings and clusters, Introduction   Cluster and ring compounds aris...

Introduction   Cluster and ring compounds arise in many areas of chemistry. Rings are most often built by nonmetallic elements with directional covalent bonding. They ad

Pollution, explain how adsorption as a method of water treatment

explain how adsorption as a method of water treatment

Interconversion of the resonance structures, Interconversion of the resonan...

Interconversion of the resonance structures of carbon monoxide with the curved-arrow notation: Because the carbon in the structure on the left has a sextet of electrons, it

Organic chemistry, When Ethanoic acid is mixed with methanol what is the en...

When Ethanoic acid is mixed with methanol what is the end product?

Stereochemical relationship, A monosaccharide A has a molecular weight of 1...

A monosaccharide A has a molecular weight of 150 Da. The two stereoisomers B and C that are both optically inactive form when A reacts with NaBH4.  Show all dissimilar stereoiso

What is the electronic configuration, What is the electronic configuration ...

What is the electronic configuration of Cu 2+ (Z= 29) of least position: (1) [Ar]4s 1 3d 8                   (2)  [Ar]4s 2 , 3d 10 4p 1       (3) [Ar]4s 1 3d 10

Thermodaenamics,

Oxide of nitrogene.., environmental pollution caused by nitrogen

environmental pollution caused by nitrogen

Atom, how many type of atom?

how many type of atom?