11th Class Chemistry The p-Block Elements-I

  • question_answer 82)   In the following questions more than one correlation is possible between options of column I and column II. Make as many correlations as you can. Match the species given in column I with the properties mentioned in column II.  
    Column I Column II
      (i) \[BF_{4}^{-}\] (a) Oxidation state of central atom is +4
     (ii) \[AlC{{l}_{3}}\] (b) Strong oxidising agent
     (iii) \[SnO\] (c) Lewis acid
     (iv) \[Pb{{O}_{2}}\] (d) Can be further oxidised
      (e) Tetrahedral shape

    Answer:

         (i-e) (ii-c) (iii-d) (iv-a, b).

    \[BF_{4}^{-}\] \[s{{p}^{3}}\]-hybridisation Tetrahedral shape
    \[AlC{{l}_{3}}\] Electron deficient Lewis acid
    \[SnO\] \[+4\]state is more stable than +2 Can be further oxidised
    \[Pb{{O}_{2}}\] \[x-4=0,x=4,\]i.e., oxid, state 4 However, in lead +2 oxidation state is more stable than +4 state acts as strong oxidising agent
    [


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