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Chemical Bonding Test - 1

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Chemical Bonding Test - 1
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Which forms a crystal of NaCl

    Solution

    NaCl is ionic crystal so it is formed by Na+ and Cl- ions.

     

  • Question 2
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    When sodium and chlorine reacts then

    Solution

    Bond formation is always exothermic. Compounds of sodium are ionic.

     

  • Question 3
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    Which one is least ionic in the following compounds

    Solution

    According to Fajan’s rule ionic character is less.

     

  • Question 4
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    Electrovalent compound's

    Solution

    Electrovalent compounds are good conductor of heat and electricity in molten state or in aqueous solution.

     

  • Question 5
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    Electrovalent bond formation depends on

    Solution

    Electrovalent bond formation depends on ionization energy of cation, electron affinity of anion and on lattice energy.

     

  • Question 6
    1 / -0

    In the following which substance will have highest boiling point

    Solution

    Because CsF is electrovalent compound.

     

  • Question 7
    1 / -0

    An atom of sodium loses one electron and chlorine atom accepts one electron. This result the formation of sodium chloride molecule. This type of molecule will be

    Solution

    NaCl is formed by electrovalent bonding.

     

  • Question 8
    1 / -0

    Formula of a metallic oxide is MO. The  formula of its phosphate will be

    Solution

    Valency of metal is + 2 by formula MO so its phosphate would be M3(PO4)2 because valency of [PO4] is - 3.

     

  • Question 9
    1 / -0

    From the following which group of elements easily forms cation

    Solution

    Li, Na and K are alkali metals with low ionization energy and one electron in their outermost shell so they will form cation easily.

     

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