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Atomic number of three elements A. B and...

Atomic number of three elements A. B and C are 10, 13 and 17 respectively:- Find their positions in the periodic table

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 3-EXERCISE
  1. 2nd Ionisation potential of oxygen is greater than 2nd ionisation pote...

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  2. What is transitional element.

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  3. Atomic number of three elements A. B and C are 10, 13 and 17 respectiv...

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  4. Atomic number of three elements A. B and C are 10, 13 and 17 respectiv...

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  5. Atomic number of three elements A. B and C are 10, 13 and 17 respecti...

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  6. Why Cl2 molecule exists but not Ne2 molecule.

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  7. Give an example of a molecule which violets octet rule.

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  8. Between N2O and NO2 molecules which one is more polar? Explain.

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  9. Mention the state of hybridasation of the .central atom in the followi...

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  10. Calculate the total pressure in a mixture of 8g of oxygen and 4 g of h...

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  11. What property of molecules of real gases is indicated by van der Waal’...

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  12. State and explain the first law of thermodynamics.

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  13. Deduce the relation between enthalpy and internal energy for gaseous s...

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  14. Write one equation where DeltaH ,= DeltaE.

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  15. In the reaction, A rarrB + C, DeltaH =25 kJ mor^-1 and DeltaS = 62.5 J...

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  16. What is the oxidation number of ‘P atom in K4P2O7 molecule?

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  17. Balence the following chemical equation by oxidation numbermethod : Cu...

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  18. Balence the following chemical equation by ion-electron method:MnO2 + ...

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  19. What is the change in oxidation number of manganese in the reduction o...

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  20. How does H2O2 behaves as a bleaching agent?

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