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Why the element of second period shows a...

Why the element of second period shows a number of difference in properties from other members of their respective families?

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The differences in the properties of the first member of a group from those of the other members are due to
(i) the smaller size of the atom. (ii) high ionization enthalpy. (iii) absence of d-obritals.
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PRADEEP-P-BLOCK ELEMENTS (NITROGEN FAMILY)-ADDITIONAL QUESTIONS (VERY SHORT ANSWER QUESTIONS)
  1. Why the element of second period shows a number of difference in prope...

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  2. INERT PAIR EFFECT

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  3. Bi(V) and Sb(V) which may be a stronger oxidizing agent and why ?

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  4. Give reasons for the least reactivity of nitrogen molecule.

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  5. Nitrogen is much less reactive than phosphorus. Explain. Or Phosphor...

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  6. Arrange the following in decreasing order of basic strength of 15 grou...

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  7. Which is least acidic ? SbH(3), PH(3), NH(3), AsH(3)

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  8. Which is least basic ? SbH(3), PH(3), NH(3), AsH(3) ?

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  9. Which is a stronger reducing agent , SbH(3) of BiH(3) , and why ?

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  10. Why BiH3 is strongest reducing agent amongst group 15 hydrides ?

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  11. Which of the following is/are not known ? PCl(3), AsCl(3), SbCl(3), NC...

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  12. Which of the following is more covalent : SbCl(5) or SbCl(3) ?

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  13. Write balanced equation when NH(3) is dissolved in water.

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  14. ON adding NaOH to ammonium sulphate, a colourless gas with pungent odo...

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  15. Write chemical equation for thermal decomposition of ammonium dichroma...

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  16. How is nitrogen prepared from ammonia ?

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  17. What is laughing gas ? How is it prepared ?

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  18. What happens when a mixture of ammonium sulphate and sodium nitrate is...

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  19. Pb(NO(3))(2) on heating gives a brown gas which undergoes dimerization...

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  20. What is fuming nitric acid ? What colour is it ?

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