Arrange the following complexes in the increasing order of conductivity of their solution:
$[Co(NH_{3})_{3}Cl_{3}], [Co(NH_{3})_{4}Cl_{2}]Cl, [Co(NH_{3})_{6}]Cl_{3}, [Cr(NH_{3})_{5}Cl]Cl_{2}$

  • A
    $[Co(NH_{3})_{3}Cl_{3}] < [Co(NH_{3})_{4}Cl_{2}]Cl < [Cr(NH_{3})_{5}Cl]Cl_{2} < [Co(NH_{3})_{6}]Cl_{3}$
  • B
    $[Co(NH_{3})_{6}]Cl_{3} < [Cr(NH_{3})_{5}Cl]Cl_{2} < [Co(NH_{3})_{4}Cl_{2}]Cl < [Co(NH_{3})_{3}Cl_{3}]$
  • C
    $[Co(NH_{3})_{3}Cl_{3}] < [Cr(NH_{3})_{5}Cl]Cl_{2} < [Co(NH_{3})_{4}Cl_{2}]Cl < [Co(NH_{3})_{6}]Cl_{3}$
  • D
    $[Co(NH_{3})_{4}Cl_{2}]Cl < [Co(NH_{3})_{3}Cl_{3}] < [Cr(NH_{3})_{5}Cl]Cl_{2} < [Co(NH_{3})_{6}]Cl_{3}$

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