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What is electron negativity ? How does i...

What is electron negativity ? How does it change in a period as well as in a group ?

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OSWAAL PUBLICATION-Solved Paper 2019-1-Excercise
  1. Explain the mechanism of Friedel craft alkylation of benzene.

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  2. What are particulate pollutants? Give an example

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  3. What is electron negativity ? How does it change in a period as well a...

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  4. Which of the following will have most negative electron gain enthalpy?...

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  5. Explain sp-hybridisation in BeCl2 molecule.

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  6. Give any two difference between sigmaandpi bond.

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  7. Name the type of Hydrogen bonding in ortho-nitrophenol.

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  8. Write the Electronic configuration of Oxygen molecule,Predict its magn...

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  9. Balance the following redox reaction by using Oxidation number method ...

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  10. How temporary Hardness of water is removed by Boiling ?

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  11. What is the composition of water gas?

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  12. Complete the following reactions.

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  13. Lithium shows diagonal relationship with Megnesium. Give reason.

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  14. Write the chemical formula of Inorganic benzene.

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  15. Write the dimeric structure of Aluminium chloride.

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  16. Define catenation.

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  17. Calculate the amount of carbondioxide produced by the combustion of 24...

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  18. Define Mole. What is the Value of Avagadro's Number.

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  19. Express the number 232.508 in scientific notation.

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  20. What are the observations made in Rutherford a-particle experiment.

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