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An organic compound contains 4.05% hydro...

An organic compound contains 4.05% hydrogen, 24.26% carbon and 71.67% chlorine. Its milecular mass is 98.96. Find its empirical and molecular formula (Atomic mass of `H=1, C=12, Cl=35.45`)

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OSWAAL PUBLICATION-Solved Paper 2017-1-EXERCISE
  1. Give the chemical formula of borazine.

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  2. Complete the equation:- HCOOHoverset(conc. H2SO4)underset(373 K)rarr

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  3. An organic compound contains 4.05% hydrogen, 24.26% carbon and 71.67% ...

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  4. Calculate the molar mass of glucose.

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  5. State the three postulates of Bohr's theory of hydrogen atom.

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  6. Write the de Broglie's equation.

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  7. Name the orbital when n=3 and l=2

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  8. Name the four quantum numbers and mention what they indicate.

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  9. State Aufbau principle.

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  10. Write three postulates of Kinetic theory of gases.

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  11. On a ship sailing in pacific ocean where temperature is 23.4^@ C. a b...

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

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  13. Calculate DeltaG^(@) for conversion of oxygen to ozone 3//20(2)(g)toO(...

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  14. In the equation 2H(2)(g)+O(2)(g)to2H(2)O(L), DeltaH=-571.6KJ"mol"^(-...

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

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  16. What is the change in entropy when ice melts to given water.

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  17. Derive the ionic product of water and give its value at 25^(@)C.

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  18. What is buffer solution? Give one example of acidic buffer solution.

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  19. If Ka of weak acid is found to be 1.78xx10^(-5) What is the PK(a) valu...

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  20. What happens to the PH of water when NH(4)Cl solid is dissolved in it ...

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