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Is the electronegativity of Sn^(2+) and ...

Is the electronegativity of `Sn^(2+) and Sn^(4+)` equal or different? Explain.

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UNITED BOOK HOUSE-TANTIA HIGH SCHOOL QUESTION PAPER -EXERCISE
  1. Calculate the equivalent weight of phosphate radical.

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  2. Arrange the following ions in ascending order of their ionic radic Na^...

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  3. Is the electronegativity of Sn^(2+) and Sn^(4+) equal or different? Ex...

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  4. When an electron jumps down from 5th Bohr orbit to 3rd Bohr orbit in H...

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  5. State Pauli's exclusion principle.

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  6. How many number of electrons are present in one HClO4 molecule.

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  7. An aromatic organic compound has the following composition by weight c...

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  8. Write the electronic configuration of Fe^(2+) and Cu^+ ions. Atomic nu...

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  9. Why is the radius of cation less compared to that of the corresponding...

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  10. What do you understand by electro-negativity of an element?

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  11. Assuming the reactant and product gases of chemical reaction as ideal,...

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  12. From the given data find the heat of formation of methane. C + O2= CO...

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  13. What do you mean by entropy? Show that the entropy is a state function...

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  14. Draw the Lewis. dot picture of the following : O3,COCl2and N2O4.

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  15. Who the shape of the following molecules according to VSEPR rule? PCL5...

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  16. Express the relation between the rate of diffusion of a gaseous substa...

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  17. A mixture of hydrogen and oxygen at one bar pressure contains 20% by w...

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  18. Write the Vander Walls equation for n'mole of the real gas.

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  19. What will be the ratio of rate of diffusion of "^235UF6 and ^238UF6?

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  20. Write the postulates of kinetic theory of gases.

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