# Molar conductivity in compounds showing coordination isomerism

### Question

Which of the following complex has lowest molar conductivity?

1. $$\ce{[Co(NH3)6][Cr(NO2)6]}$$
2. $$\ce{[Cr(NH3)5(NO2)][Co(NH3)(NO2)5]}$$
3. $$\ce{[Cr(NH3)4(NO2)2][Co(NH3)2(NO2)4]}$$
4. $$\ce{[Co(NH3)5(NO2)][Cr(NH3)(NO2)5]}$$

3. $$\ce{[Cr(NH3)4(NO2)2][Co(NH3)2(NO2)4]}$$