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Why the 1st Ionisation potential of N2 i...

Why the 1st Ionisation potential of `N_2` is higher than `O_2`?

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Why is the 1st ionisation potential of B less than that of Be ?

2nd ionisation potential of Be is greater than the 1st ionisation potential of B but less than 2nd ionisation potential of B - explain .

The bond dissociation enthalpy of N_(2) is higher than that of N_(2)^(+) but the bond dissociation enthalpy of O_(2)^(+) is higher than that of O_(2) . Explain.

Ionisation potential of O is less than that of N-explain.

The first ionisation enthalpy of Mg is higher than that of Na but the second ionisation enthalpy is lower than that of Na -Explain.

First ionisation enthalpy off Na is less than that of Mg, but second ionisation enthalpy of Na is higher than that of Mg. explain.

The first ionisation enthalpy of C is higher than that of B but its second ionisation enthalpyislower. Explain ?

Ionisation potential of O is less than that of N - explain

The first ionisation potential of carbon is more than that of boron while this trend is reverse in the case of second ionisation potential-explain.

Why the ionization potential of M^(2+) is not very much greater than M^(+) ?

UNITED BOOK HOUSE-MODEL QUESTION PAPER 16-EXERCISE
  1. Calculate the wave length of photon having energy 2'ev.

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  2. Find the first ionization energy of hydorgen atom given E1 =- 13.38ev

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  3. Why the 1st Ionisation potential of N2 is higher than O2?

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  4. Electron affinity of inert elements are positive. Why?

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  5. Give-IUPAC name of the following organic Compound

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  6. Give-IUPAC name of the following organic Compound

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  7. Write two Causes of air pollution on State one. remidy of it.

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  8. Write de Broglie equation for wave,particle duality.

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  9. Show that P orbital can accomodate at least 6 electrons.

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  10. What do you mean by lanthanoid Contraction?

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  11. Arrange mg, A1, Si and Na in the increasing order of their lonisation...

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  12. What is electronegetivity? State with reason its change accross a peri...

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  13. Which one shows higher Covalent Character LiCl or Lil? and why?

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  14. What is hybridisation? Explain with example sp^2 hybridisation.

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  15. Write Graham’s law of diffusion. Write the S.I'unit of viscosity?

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  16. What is Capillery action? Give molecular interpretation of surface ten...

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  17. Calculate the final pressure when 2 molesof He at N..T.P. is compresse...

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  18. Bond dissociation energy ofC-C, C = C, H-H&C-Hare 300, 550,350, 400 Kj...

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  19. Find the oxidation number of * marked element in the following Compou...

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  20. Calculate the oxidation no of * marked atom:*Fe (CO)5

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