MCQ
Which of the following has the highest molar conductivity?
  • $[Co(NH_3​)_6​]Cl_3$​
  • B
    $[Co(NH_3​)_5​Cl]Cl_2$
  • C
    $[Co(NH_3​)_4​Cl_2​]Cl_2$
  • D
    $[Co(NH_3​)_3​Cl_3​]$

Answer

Correct option: A.
$[Co(NH_3​)_6​]Cl_3$​
The dissociation of is as follows;
$\ce{[Co(NH_3)_6​]Cl_3 \rightleftharpoons [Co(NH_3​)_6]^{3+} + 3Cl^-}$
The number of ions produced here is . So the molar conductivity is the highest.

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