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Which rule is followed in determining th...

Which rule is followed in determining the arrangement of unpaired electrons in P-atom ? State the rule .

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First part : Hund's rule is followed in determining the arrangement of unpaired electron in P-atom
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CHHAYA PUBLICATION-MODEL QUESTIONS PAPER -SET III (SECTION II) (GROUP C )
  1. Alkali metals (except Li) exhibit photoelectric effect- explain

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  2. Alkaline earth metal like Be does not respond to flame test -explain

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  3. The internuclear distance of H-F molecule is 0.92 Å and dipole moment...

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  4. Draw the resonating structures of carbonate ion .

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  5. Although H(2)SO(4) and H(3)PO(4) have same molecular mass , H(3)PO(4) ...

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  6. Which anion is isostructural with BF(3).

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  7. Write one difference between reversible and irreversible processes.

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  8. Mention the application of the first law of thermodynamics in adiabati...

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  9. An ideal gas of volume 21 L is enclosed in a cylinder fitted with a pi...

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  10. Find the number of unpaired electrons in the atom of the element havin...

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  11. Which rule is followed in determining the arrangement of unpaired elec...

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  12. 2nd ionisation potential of Be is greater than the 1st ionisation pote...

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

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  14. Writes the names of two elements that show diagonal relationship.

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  15. Balance the equation by ion-electron method : Zn+ NaNO(3) + NaOH to...

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  16. Give an example of disproportionation reaction .

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  17. Why during preparation of H(2)O(2) , a paste of hydrated barium peroxi...

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  18. Give examples of two interstitial hydrides.

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  19. CH(3)- NH(2) is more basic than ammonia . Why ?

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  20. Arrange the free radicals according to their stability : Me overset(*)...

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