Coordination Compounds · JEE Main previous year questions

2012 2 questions

1. Q792012 · 26 May 2012 · Shift 1

   The complex ion $[\mathrm{Pt}(\mathrm{N}{\mathrm{O}}_2)(\mathrm{Py})(\mathrm{N}{\mathrm{H}}_3)(\mathrm{N}{\mathrm{H}}_2\mathrm{OH}){]}^{+}$ will give

   1. A.2 isomers (Geometrical)
   2. B.3 isomers (Geometrical)
   3. C.6 isomers (Geometrical)
   4. D.4 isomers (Geometrical)
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   Answer: B

2. Q782012 · 12 May 2012 · Shift 1

   Which of the following complex ions will exhibit optical isomerism? (en = 1,2-diamine ethane).

   1. A.$[\mathrm{Cr}(\mathrm{N}{\mathrm{H}}_3{)}_2\mathrm{C}{\mathrm{l}}_2{]}^{+}$
   2. B.$[\mathrm{Co}(\mathrm{en}{)}_2\mathrm{C}{\mathrm{l}}_2{]}^{+}$
   3. C.$[\mathrm{Co}(\mathrm{N}{\mathrm{H}}_3{)}_4\mathrm{C}{\mathrm{l}}_2{]}^{+}$
   4. D.$[\mathrm{Zn}(\mathrm{en}{)}_2{]}^{2+}$
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   Answer: B