Which of the following is non-conducting?

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(D) In coordination chemistry,the conductivity of a complex depends on the number of ions it produces in an aqueous solution.$CoCl_3 \cdot 6NH_3$ diss

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$CoCl_3 \cdot 3NH_3$

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(D) In coordination chemistry,the conductivity of a complex depends on the number of ions it produces in an aqueous solution.$CoCl_3 \cdot 6NH_3$ dissociates as $[Co(NH_3)_6]Cl_3$,yielding $4$ ions.$CoCl_3 \cdot 5NH_3$ dissociates as $[Co(NH_3)_5Cl]Cl_2$,yielding $3$ ions.$CoCl_3 \cdot 4NH_3$ dissociates as $[Co(NH_3)_4Cl_2]Cl$,yielding $2$ ions.$CoCl_3 \cdot 3NH_3$ exists as the neutral complex $[Co(NH_3)_3Cl_3]$,which does not dissociate into ions in solution.Since it produces no ions,$[Co(NH_3)_3Cl_3]$ is non-conducting.

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