Arrange the following in order of their increasing heat conductivity :
water, copper, air, mercury
air, water, mercury, copper
mercury, copper, air, water
copper, air, water, mercury
The order is air, water, mercury, copper.
Arrange the following complexes in the increasing order of conductivity of their solution [Co(NH3)3Cl3],[Co(NH3)4Cl2]Cl,[Co(NH3)6]Cl3,[Co(NH3)5Cl]Cl2