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Q. Define the Spectrochemical series?
Spectrochemical series helps us in renationalising the differences in the spectral properties of complexes. As the strength of the crystal field created by the ligands & increases, the frequency of absorption of light by the complex would also increase. Absorption of high frequency radiations means that light of lower frequency will be transmitted and will be responsible for the particular dour of the complex. It thus explains as to why the colours of a series of complexes of one particular metal ion, in the same oxidation state having the - same geometry, could be different. For example, the following four octahedral compounds of Co3 ion show different colours which are in accordance with spectrochemical series.
Complex D0 (em-1) colours
[Co (C2O4)3]3- 18,000 Dark green
[Co (H2O)6]3+ 18.200 Blue
[Co (NH3)6]3 + 22.900 Golden-brown
[Co (CN)6]3 - 33.500 Yellow
Q. Illustrate Saturated and Unsaturated Hydrocarbons? Ans. The term hydrocarbon is similar to the term organic. The term hydrocarbon emphasizes the fact that these compou
how to make
describe the various types of velocities?
Condensation reaction of carbonyl compounds Nucleophilic addition reaction of compounds comprising carbonyl group along with those compounds that have at least one acidic hydro
Explain Toluene Toluene has added stability associated with aromaticity; compound A, although conjugated, is not aromatic. Because any equilibrium favours the more stable comp
chemistry and mechanism of action
Q. Halides of Boron and Aluminium? All the elements of Group 13 form binary halides. All the four trihalides of each element are known, with one exception. The compound Tl13 is
Q. Name the plant based sources of antioxidants? Name the plant based sources of the following antioxidants: Vitamin C, lycopene, isoflavones and organo sulphur compounds.
which is the main postulate of bohr''s model of atom
If n+l= 6 , then total possible number of subshells would be: (1) 3 (2) 4 (3) 2 (4) 5 Ans: 3
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