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Explain why is there a phenomenal decrea...

Explain why is there a phenomenal decrease in ionization enthalpy from carbon to silicon ?

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Explain why is there a phenomenal decrease in ionisation enthalpy from carbon to silicon?

The second ionization enthalpy is

Ionization enthalpy of an atom is equal to

Ionization enthalpy of an atom is equal to

The third ionization enthalpy is maximum for

The third ionization enthalpy is minium for:

The third ionization enthalpy is maximum for

Ionization enthalpies of transition metals are

The element having very high ionization enthalpy but zero electron affinity is :-

The element having very high ionization enthalpy but zero electron affinity is:

ICSE-SOME P-BLOCK ELEMENTS -NCERT TEXTBOOK EXERCISES (With Hints and Solutions)
  1. Give reasons Aluminium utensils should not be kept in water overnig...

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  2. Give reasons for the following: Aluminium is used in transmission wire...

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  3. Explain why is there a phenomenal decrease in ionization enthalpy from...

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  4. The reason behind the lower atomic radius of Ga as compared to Al is

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  5. What are allotropes? Sketch the structure of two allotropes of carbon ...

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  6. Classify following oxides as neutral, acidic, basic or amphoteric: ...

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  7. Write suitable chemical equations to show the nature of Calcium oxide ...

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  8. In some of the reactions thallium resembles aluminium, whereas in othe...

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  9. When metal X is treated with sodium hydroxide, a white precipitate (A)...

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  10. What do you understand by (a) inert pair effect (b) allotropy and (c...

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  11. What do you understand by allotropy ? Name the allotropic forms of ca...

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  12. What do you understand by catenation.

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  13. A certain salt (X) gives the following tests : (a) Its aqueous solut...

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  14. Write balanced equation for BF3 + LiH to

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  15. Write balanced equation for B2 H6 + H2 O to

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  16. Write balanced equation for NaH + B2 H6 to

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  17. Write balanced equation for H3 BO3 overset(Delta)to

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  18. Complete and balanced the equations: Al + NaOH + H(2)O rarr +

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  19. Write balanced equation for B2 H6 + NH3 to

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  20. Give one method for industrial preparation and one for laboratory prep...

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