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Determine the empirical formula of an ox...

Determine the empirical formula of an oxide of Iron which has 69.9% Iron and 30.1% dioxygen by mass. [Atomic mass of `Fe=56, O=16`]

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SUBHASH PUBLICATION-ANNUAL EXAMINATION QUESTION PAPER NORTH-2018-PART-D
  1. Write the postulates of Daltons Atomic theory.

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  2. Determine the empirical formula of an oxide of Iron which has 69.9% Ir...

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  3. Explain the significance of Principal, Azimuthal and magnetic quantum ...

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  4. Calculate the frequency of yellow radiation having wavelength 5800Å. ...

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  5. State Pauli's exclusion principle. Give the possible values of l for n...

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  6. Write De Broglie equation and explain the terms involved in it.

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  7. Write any three postulates of Kinetic molecular theory of gases.

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  8. Define (i) Boyle temperature (ii) Critical Volume (V(C))

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  9. The enthalpy of combustion of one mole of benzene,carbon and hydrogen ...

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  10. Define Entropy. What is the value of Entropy change at equilibrium in ...

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  11. State Hess's law of constant heat summation.

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  12. Explain an example for a extensive property.

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  13. Explain Born-Haber cycle for the fomation of 1 mole of sodium chloride...

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  14. State Le-Chatelier's principle.

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  15. Explain the effect of temperature and pressure on the equilibrium equa...

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  16. What is the buffer solution? Give an example.

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  17. Explain Lewis acid base concept of acid and base.

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  18. Define common ion effect. Mention any one factor, which affect acid st...

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  19. Give the value of ionic product of pure water at 298 K.

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