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If Ka of weak acid is found to be 1.78xx...

If Ka of weak acid is found to be `1.78xx10^(-5)` What is the `PK_(a)` value?

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OSWAAL PUBLICATION-Solved Paper 2017-1-EXERCISE
  1. Name the four quantum numbers and mention what they indicate.

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  2. State Aufbau principle.

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  3. Write three postulates of Kinetic theory of gases.

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

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

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

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

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

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

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

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

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  14. Give the Kp expression of the equation H(2)(g)+I(2)(g)hArr2HI(g).

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  15. Write the principle involved in the estimation of carbon and hydrogen....

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  16. Write the resonance structure of benzene.

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  17. How sulphur is estimated by Carius method and give calculation.

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  18. Explain position isomerism with example.

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  19. Explain the mechanism of nitration of benzene .

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  20. Explain Wurtz reaction with example.

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