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Chain, nuclear or skeleton isomerism:
This form of isomerism arises because of the difference in the nature of the carbon chain (that is straight or branched) which makes the nucleus of the molecule.
1. Except alkynes chain isomerism is seem while the number of carbon atoms is four or much more than four.
2. Chain isomers are different in the nature of carbon chain that is in the size of carbon chain.
3. The isomers depicting chain isomerism belong to the same homologous sequence that is functional set; class of the element remains unchanged.
4. Chain and position isomerism can't be possible together among two isomeric compounds. If two compounds are chain isomers as compared to these two will not be positional isomers.
The electronic configuration of chromium is: (1) [Ne]3s 2 , 3p 6 , 3d 4 , 4s 2 , (2) [Ne]3s 2 , 3p 5 , 3d 4 , 4s 1 , (3) [Ne]3s 2 , 3p 6 , 4s 2 ,
Give the name of the molecular shape of each of the following. (1 mark each) 1) silicon tetraiodide
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#Difference between AAS and AES
list the elements that have all 3 properties: lustre , malleabbility and conductivity
The frequency of yellow light having wavelength 600 nm is: (1) 5.0x10 14 Hz (2) 2.5 x 10 7 Hz (3) 5.0x 10 7 Hz
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Which one of the following groupings represents a collection of isoelectronic species: (1) NA +, Ca 2+ , Mg 2+ (2) N3, F - , Na + (3) be, Al 3+ , Cl -
The co-ordination compounds are of great importance. These compounds constitute the minerals, plants and are also present in animals. These play important functions. For example, c
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