Solved papers for JEE Main & Advanced JEE Main Paper (Held On 25 April 2013)

done JEE Main Paper (Held On 25 April 2013) Total Questions - 2

• question_answer1)                 In which of the following octahedral complex species the magnitude of \[{{\Delta }_{0}}\] will be maximum?     JEE Main Online Paper ( Held On 25  April 2013 )
  A)
                  \[{{\left[ \text{Co}\left( {{\text{H}}_{\text{2}}}{{\operatorname{O}}_{6}} \right) \right]}^{2+}}\]             
  done clear
  B)
                                         \[{{\left[ \text{Co}\left( \operatorname{C}{{\operatorname{N}}_{6}} \right) \right]}^{3+}}\]
  done clear
  C)
                                         \[{{\left[ \text{Co}{{\left( {{\operatorname{C}}_{2}}{{O}_{4}} \right)}_{3}} \right]}^{3-}}\]           
  done clear
  D)
                                         \[{{\left[ \text{Co}{{\left( \operatorname{N}{{\operatorname{H}}_{3}} \right)}_{6}} \right]}^{3+}}\]
  done clear
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• question_answer2)                 The structure of which of the following chloro species can be explained on basis of \[ds{{p}^{2}}\] hybridization?     JEE Main Online Paper ( Held On 25  April 2013 )
  A)
                  \[\operatorname{Pd}Cl_{4}^{2-}\]         
  done clear
  B)
                                         \[\operatorname{Fe}Cl_{4}^{2-}\]
  done clear
  C)
                                         \[{{C}_{O}}Cl_{4}^{2-}\]                               
  done clear
  D)
                                         \[NiCl_{4}^{2-}\]
  done clear
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