Solved papers for JEE Main & Advanced JEE Main Paper (Held On 12 May 2012)

done JEE Main Paper (Held On 12 May 2012) Total Questions - 1

• question_answer1) Which of the following complex ions will exhibit optical isomerism? (en = 1,2-diamine ethane).     JEE Main Online Paper (Held On 12 May 2012)
  A)
  \[{{[Cr{{(N{{H}_{3}})}_{2}}C{{l}_{2}}]}^{+}}\]      
  done clear
  B)
                         \[{{[Co{{(en)}_{2}}C{{l}_{2}}]}^{+}}\]
  done clear
  C)
                         \[{{[Co{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]}^{+}}\]     
  done clear
  D)
                         \[{{[Zn{{(en)}_{2}}]}^{2+}}\]
  done clear
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