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| 1. |
Arrange the complexes CoCl_3. 6NH_3,CoCl_3. 5NH_3, CoCl_3. 4NH_3 and CoCl_2 . 3NH_3 in the descending order of conductivity of their aqueous solutions. |
| Answer» Solution :Aquesous solution containing one mole of `CoCl_3. 6HNH_3 , CoCl_3 . 5NH_3, CoCl. 4NH_3 and CoCl_3 . 3 NH_3` GIVES RESPECTIVELY 4,3,2 and zero moles of IONS. Thus the conductivity ORDER is `CoCl_3 . 3NH_3`. Aqueous solution of `CoCl_3 . 3NH_3` does not POSSESS any ions and it is non conductor of electricity. `CoCl_3 . 3NH_3` is a non electrolyte. | |