0.02 mole of [Co(NH3)5SO4] Br and 0.02 mole of [Co(NH3)5Br]SO4 were used to prepare 2 litre solution. One litre of this solution on treatment with excess of AgNO3 and excess of BaCl2 gives Y and Z respectively. Number of moles of Y and Z obtained are :
1
0.01, 0.02
2
0.02, 0.02
3
0.01, 0.01
4
0.02, 0.01