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The elements belonging to which group(s)...

The elements belonging to which group(s) of the periodic table combine to form electrovalent compounds and why?

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Element of group I and II form electrovalent compounds because they are highly electropositve in nature.
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CHHAYA PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-WARM UP EXERCISE
  1. What do you understand by the term ionic bond? Mention the factors fav...

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  2. How is crytalline NaCl formed from constituent elements?

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  3. The elements belonging to which group(s) of the periodic table combine...

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  4. What do you mean by lattice energy of lattice enthalpy?

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  5. How will you determine the lattice energy of an ionic compound using B...

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  6. Which elements exhibit variable electrovalency and why?

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  7. State the importance of lattice enthalpy.

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  8. What do you mean by coodination number (C.N.)?

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  9. Explain why the melting and boiling points of ionic compounds are much...

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  10. Why the ionic compounds do not exhibit isomerism?

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  11. Which type of ionic compounds exhibit isomorphism?

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  12. What is solvation energy of solvation enthalpy?

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  13. What is the condition for dissolution of an ionic compound in a partic...

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  14. The ionic compounds are soluble in polar solvents but isoluble in non-...

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  15. Why do ionic compounds conduct electricity only in solution or molten ...

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  16. If r(+)//r(-) in equal to 0.53, what is the C.N. of the cation?

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  17. What do you mean by covalent bond and covalency?

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  18. Explain the formation of three molecules containing a single, a double...

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  19. Give the factors favouring formation of covalant bond.

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  20. Draw lewis dot structure of H(3)PO(4) and CO(3)^(2-).

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