12th Class Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Case Based (MCQs) - The p Block Elements

  • question_answer
    Direction (18-21): Halogens form a number of oxides with different oxidation states of halogens. Fluorine forms only two oxides \[O{{F}_{2}}\] and \[{{O}_{2}}{{F}_{2}}\]. Oxides are generally covalent, decompose on heating and act as strong oxidising agents. Their acidic strength and stability is determined by the oxidation state of the halogen.
    Which of the following is paramagnetic?

    A) \[C{{l}_{2}}O\]                        

    B) \[Cl{{O}_{2}}\]

    C) \[C{{l}_{2}}{{O}_{7}}\]                      

    D) \[C{{l}_{2}}{{O}_{6}}\]

    Correct Answer: B

    Solution :

    \[Cl{{O}_{2}}\] is a paramagnetic due to the presence of unpaired electron.


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