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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
The number of electrons in [ 40 19 k ] -1 is: (1) 19 (2) 20 (3)18 (4)40 Ans: 40
Nitrogenous base: These are heterocyclic organic compound that comprise two or more nitrogen atoms in ring skeleton. These are called bases as the lone pairs of electrons on th
Why does NO2 dimerise? a) Give an example of linkage isomerism. b) A solution of KOH hydrolyses CH3CH2CH2CH2Cl and CH3CH2CH2Cl. Which one of these is more easily hydrolysed?
Acetanilide in water Water can accept a hydrogen bond from the hydrogen of the N-H bond, and can donate a hydrogen bond to the oxygen of the CAO bond as well as to the nitrogen
When NaCl is dissolved in water, the sodium ion become
Q. in radioactive decay, a nucleus emits an alpha particle and two beta particle successively. show that the final nucleus is an isotope of original nucleus. Ans: Let the mass and
OSCILLATOR THEORY OF LIQUID
what is thermogavimatic analysis and their instumental
(a) Using Lewis structures to describe your reasoning, describe why the following ions have different bond angles: ClO2 - and NO2 - (b) Given that the spatial arrangement of a
Ethylbenzene Ethylbenzene has a three-proton triplet and, at somewhat greater chemical shift, in the benzylic proton region, a two-proton quartet. p-Xylene has a six-proton si
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