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What do you mean by covalent bond and co...

What do you mean by covalent bond and covalency?

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CHHAYA PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-WARM UP EXERCISE
  1. Why do ionic compounds conduct electricity only in solution or molten ...

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

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

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

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  5. Give the factors favouring formation of covalant bond.

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

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  7. Calculate formal change on N-atom in HNO(3) molecule.

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  8. Elements of which part of the periodic table exhibit greater tendency ...

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  9. Molecules of covalent compounds exhibit isomerism-why?

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  10. In which of the given molecules the central atom does not obey the oct...

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  11. What do you understand by polarisation of an anion and when does it ta...

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  12. The melting point of MgBr(2) is 700^(@)C while that of AlBr(3) is only...

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  13. Why is CuCl more covalent than NaCl?

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  14. Arrange in the increasing order according to the given properties and ...

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  15. (i) Explain why AgCl is white in colour whereas AgI is yellow. (ii) if...

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  16. LiCl is soluble in organic solvents while the chlorides of other alkal...

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  17. Give reasons: (i) PbCl(4) exists but PbI(4) does not, (ii) SnCl(2) is ...

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  18. What is coodinate covalent bond or coodinate bond?

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  19. Explain the formation of a coordinate bond with example.

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  20. Mention the conditions for coordinate bond formation.

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