1.

Mixture X = 0.02 mol of [Co (NH_3)_5 SO_4] BrBrand0.02 mol of[Co (NH_2)_5 Br] SO_4 was prepared in 2L of solution.1 L of mixture X + excess of AgNO_3toY 1 L of mixture X + excess of BaCl_2 toZNumber of moles of Y and Z are :

Answer»

0.01 , 0.01
0.02 , 0.01
0.01 , 0.02
0.02 , 0.02

Solution :Mixture X will contain 0.02 mol of `Br^(-)` and 0.02 mol of `SO_(4)^(2-)` ions in 2L solution . ` THEREFORE` 1L of mixture X will contain 0.01 mol of `Br^(-)` and 0.01 mol of `SO_(4)^(2-)` ions with EXCESS of `AgNO_3 ,0.01` mol of AgBr i.e., Y is formed
with excess of `BaCl_2` , 0.01 mol of `BaSO_4` i.e. Z is formed .


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