RAJASTHAN ­ PET Rajasthan PET Solved Paper-2001

  • question_answer
    Colour of\[ZnS{{O}_{4}}\]is white. It is due to

    A)  completely filled\[{{d}^{10}}\]orbitals

    B)  magnetic moment\[\mu =0\]

    C)  coupling of spin and transfer of electron

    D)  pseudo inert configuration

    Correct Answer: C

    Solution :

     Colour of\[ZnS{{O}_{4}}\]is white. It is due to coupling of spin and transfer of electron. The formation of colours is due to absorption or emission of energy in visible region by the spinning and transfer of electron. If all the seven colours are reflected then white colour forms.


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