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Hrishant Goswami Grade: 10
        Mixture X = 0.02 mole of [Co(NH3)5 SO4] Br and 0.02 mole of [Co(NH3)5 Br]SO4 was prepared in 2 L solution.

1 L of mixture X + excess of AgNO3 solution →Y
1 L of mixture X + excess of BaCI2 solution →Z
Number of moles of Y and Z are
a. 0.01, 0.01
b. 0.02, 0.01
c. 0.01, 0.02
d. 0.02, 0.02
3 years ago

Answers : (1)

Navjyot Kalra
askIITians Faculty
654 Points
										Sol. 1.0 L of mixture X contain 0.01 mole of each [(Co(NH3)5 SO4)]Br  an [Co(NH3)5 Br]SO4.

Also, with AgNO3, only [(Co(NH3)5 SO4)]Br reacts to give AgBr precipitate as
[Co(NH3)5 SO4]Br + AgNO3→ [Co(NH3)5 SO4]NO3 + AgBr 1.0 mol
1.0 mol excess
3 years ago
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