1.

For 1 molal aqueous solution of the following compounds, which one will show the highest freezing point ?

Answer»

`[Co(H_(2)O)_(6)]Cl_(3)`
`[Co(H_(2)O)_(5)CL]Cl_(2).H_(2)O`
`[Co(H_(2)O)_(4)Cl_(2)]Cl.2H_(2)O`
`[Co(H_(2)O)_(3))Cl_(3)].3H_(2)O`

SOLUTION :As the value of i increases the freezing point DECREASES.
`{:("AQUEOUS solution",,i),([Co(H_(2)O)_(6)]Cl_(3),to,4),([Co(H_(2)O)_(5)Cl]Cl_(2).H_(2)O,to,3),([Co(H_(2)O)_(4)Cl_(2)]Cl.2H_(2)O,to,3),([Co(H_(2)O)_(3)Cl_(3)].3H_(2)O,to,1):}`


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