Ionic Doubt..Please Help

1.) 1L solution containing NH4Cl and NH4OH has OH- concentration 10-6 moles/litre. Which of the following can be precipitated when solution is added to 1L soution of 0.1M metal ions?

1.Ba(OH)2(Ksp=5x10-3)
2.Ni(OH)2(Ksp=1.6x10-16)
3.Mn(OH)2(Ksp=2x10-13)
4.Fe(OH)2(Ksp=8x10-16)

Please tell me the method

2 Answers

262
Aditya Bhutra ·

precipitation will occur if ionic product >Ksp

remember to change the concentrations since the total volume of soln becomes 1+1 =2L

1
blueivy ·

Got it, i didn't change the final concentration. Thanks

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