BHU PMT BHU PMT (Screening) Solved Paper-2011

  • question_answer
    Which of the following is weightless when weighed in magnetic field?

    A)  \[ScC{{l}_{3}}\]

    B) \[FeC{{l}_{3}}\]

    C)   \[TiC{{l}_{3}}\]                

    D) \[VC{{l}_{3}}\]

    Correct Answer: A

    Solution :

                     \[SnC{{l}_{3}}\xrightarrow{{}}S{{c}^{3+}}+3C{{l}^{-}}\] \[S{{c}^{3+}}:\] It has no unpaired electron so it will show diamagnetic character and therefore, it will be weightless when weighed in the magnetic field.                         


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