1.

Which of the following reactions are kinetically favourable ? I. [Cu(H_(2)O)_(4)]^(2+)+4NH_(3)rarr[Cu(NH_(3))_(4)]^(2+)+4H_(2)O II. [Cu(H_(2)O)_(4)]^(2+)+4Cl^(-)rarr[CuCl_(4)]^(2-)+4H_(2)O III. [Co(H_(2)O)_(6)]^(3+)+6Cl^(-)rarr[CoCl_(6)]^(3-)+6H_(2)O

Answer»

I and II
II and III
I and III
I, II and III

Solution :In I and II, charge on METAL ion = + 2 while in III, charge on metal ion = + 3. Hence, I and II are less STABLE while III is quite stable.


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