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Discuss "cohesive energy" and "electron affinity".
‘Cohesive energy’: In a chemical bond, it’s the energy required to dissociate a solid into isolated atoms or molecules as appropriate.
‘Electron affinity’ : In a system of a neutral atom and an extra electron, when extra electron is attracted from the infinity to the outer orbit of neutral atom, work done is known as electron affinity of the atom.
Maximum electrons in a d -orbital are: (1) 2 (2) 10 (3) 6 (4) 14 Ans: 10
Q. What is chlorophyll? A magnesium complex of porphyrin is called chlotophyll. the green colouring material in plants and which is essential for photosynthesis. Hemoglobin
Why bromoethane are insoluble Because only two layers form, two of the three substances are mutually soluble. we know that water and bromoethane are insoluble-they form two lay
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