Solved papers for JEE Main & Advanced JEE Main Paper (Held On 9 April 2014)

done JEE Main Paper (Held On 9 April 2014) Total Questions - 2

• question_answer1) Which of the following has unpaired electron(s)?   [JEE Main Online Paper ( Held On 09 Apirl  2014  )
  A)
  \[{{N}_{2}}\]                                     
  done clear
  B)
  \[O_{2}^{-}\]
  done clear
  C)
  \[N_{2}^{2+}\]                                 
  done clear
  D)
  \[N_{2}^{2-}\]
  done clear
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• question_answer2) The number and type of bonds in \[C_{2}^{2-}\]ion in \[Ca{{C}_{2}}\] are:   [JEE Main Online Paper ( Held On 09 Apirl  2014  )
  A)
  One \[\sigma \] bond and one \[\text{ }\!\!\pi\!\!\text{ -}\]bond
  done clear
  B)
  One \[\sigma \] bond and two \[\text{ }\!\!\pi\!\!\text{ -}\]bond
  done clear
  C)
  Two \[\sigma \] bond and two \[\text{ }\!\!\pi\!\!\text{ -}\]bond
  done clear
  D)
  Two \[\sigma \] bond and one \[\text{ }\!\!\pi\!\!\text{ -}\]bond
  done clear
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