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Quantitative analysis - Estimation of Elements
After qualitative analysis of elements, the another step in the determination of molecular formula of an organic compound is the estimation of several elements by mass, that is finding the percentage composition of the elements by mass. The several methods generally employed for the estimation of principal elements are as follow:
1. Carbon and Hydrogen
2. Nitrogen
3. Halogens
4. Sulphur
5. Phosphorous
6. Oxygen
When the azimuthal quantum number has a value of l=0 , the shape of the orbital is: (1) Rectangular (2)Spherical (3)Dumbbell (4)Unsymmetrical Ans: Spherical
Cis-1,3-di-tert-butylcyclohexane can exist in a chair conformation (A) in which both tert-butyl groups are equatorial. Though, in either chair conformation of trans-1,3-di-tert-bu
Functions of nucleic acid: Nucleic acid has two major functions (a) Replication and (b) Protein synthesis.
Geiger Marsden experiment The Rutherford experiment (also known as the Gold foil experiment or the Geiger-Marsden experiment) was an experiment to probe the structure of the at
Draw temperature composition phase diagram for binary System? Use the following information to draw a temperature-composition phase diagram for the binary system of H 2 O (A) a
Natural rubber and its examples
Which compound is highest covalent: (1) LiCl (2) FiF (3) LiBr (4) LiI Ans: LiI
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