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A number of ionic compounds e.g.Agcl , caF2 BaSo4 are insoluble in water. This is because:
(1) Ionic compounds do not dissolve in water
(2) Water has a high dielectric constant
(3) Water is not a good ionizing solvent
(4) These molecules have exceptionally high alternative forces in the lattice
Ans; These molecules have exceptionally high alternative forces in the lattice
Q. Determine the acid value and free fatty acids? This activity will help you to: • know the acidity in given sample of fat/oil, and • determine the free fatty acid com
Chemical methods - Purification of organic compounds Besides these physical methods, few chemical methods have as well been utilized to separate a mixture of organic compounds.
Bromination of Toluene in presence of light or heat gives benzyl chloride, but chlorination of benzene in presence of light gives benzene hexachloride. Why?
Spectroscopy: 1. Run IR spectra on both of your purified products and on pinacolone. Comment on any features of interest, including the C=O stretch frequencies. 2. Obtai
The first ionization potentials for Na, K, and Rb are 5.138, 4.341, and 4.166 eV, respectively. Assume that the energy level of the outer electron can be represented by a hydrogenl
Chemical formula of benedict solution is Feso 4 .7H 2 o
If molecular mass and atomic mass of sulphur are 256 and 32 respectively, its atomicity is: (1) 2 (2) 8 (3 )4 ( 4)16 Ans: 8
an elementary idea of crystal field theory
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