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Why are pentahalides more covalent than ...

Why are pentahalides more covalent than trihalides ?

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Higher the positive oxidation state of central atom, more will be its polarising power which, in turn, increases the covalent character of bond formed between the central atom and the other atom.
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Knowledge Check

  • (A) SnCl_(4) is more covalent than SnCl_(2) (R ) Compound with higher oxidation state of metal is more covalent than with lower oxidation state

    A
    Both (A) and (R ) are true and (R ) is the correct explanation of (A)
    B
    Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
    C
    (A) is true but (R ) is false
    D
    Both (A) and (R ) are false

  • Nitrogen trihalides are

    A
    Lewis acid
    B
    Lewis base
    C
    Lowry-Bronsted acid
    D
    Arrhenius base

  • Nitrogen trihalides are

    A
    Lewis acid
    B
    Lewis base
    C
    Lowry-Bronsted acid
    D
    Arrhenius base

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    Explain why lyophilic colloids are relatively more stable than lyophobic colloids ?

    Why is nitrogen more stable than oxygen?

    Why a molecule of hydrogen is more stable than the uncombined atoms?

    CuCl has more covalent character than NaCl because

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