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In goup 14, the tendency of the elements...

In goup 14, the tendency of the elements to show +4 oxidation state decreases down the group while tendency to show+2 oxidation state increases. Explain

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OSWAAL PUBLICATION-Solved Paper 2016-1-EXCERSICE
  1. Give any two difference between sigmaandpi bond.

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  2. What is called diagonal relationship ?

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  3. In goup 14, the tendency of the elements to show +4 oxidation state de...

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  4. Alkyhalide (halo alkane)+sodium.Complete the chemical equation and nam...

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  5. Explain the mechanism of addition of hydrogen bromide to propene.

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  6. What is greenhouse effect?Name any one gas which is responsible for t...

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  7. Give three defects of mendeleev's periodic table.

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  8. Write the electronic configuration of Hydrogen molecule. Calculate its...

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  9. What is sp^2 hybridisation?Illustrate the formation of Ionic bond.

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  10. Define dipole moment.

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  11. Balance the following chemical equation by oxidation number method Fe^...

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  12. Density of water is maximum at 4^(@)C.

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  13. Name the salt which causes temporary hardness of water.

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  14. Give the equation,involved in the manufacture of washing soda by solva...

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  15. Write any three diffferences between graphite and diamond.

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  16. The molecular mass of an organic compound is 78 amu is known to contai...

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  17. Calculate the mole fraction of benzene and carbon tetrachloride in a b...

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  18. Define isotopes and isobars

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  19. The Vividh Bharathi station broadcast on a frequency of 136 kHz.Calcul...

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  20. Deduce the de-Broglics matter wave equation.

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