Home
Class 11
CHEMISTRY
What is the minimum pH required to preve...

What is the minimum pH required to prevent the precipitation of ZnS is a solution that is 0.01 M `ZnCl_(2)` and saturated with 0.10 M `H_(2)S` ?
`["Given" :K_(sp)=10^(-21),K_(a_1)xxK_(a_2)=10^(-20)]`

A

`10^(-4) M (Ag^(+)) and 10^(-4) M (Cl^(-))`

B

`10^(-5) M (Ag^(+)) and 10^(-5) M (Cl^(-))`

C

`10^(-5) M (Ag^(+)) and 10^(-6) M (Cl^(-))`

D

`10^(-10) M (Ag^(+)) and 10^(-10) M (Cl^(-))`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • IONIC EEQUILIBRIUM

    NARENDRA AWASTHI|Exercise Level- 1|1 Videos

  • IONIC EEQUILIBRIUM

    NARENDRA AWASTHI|Exercise Level- 2|10 Videos

  • GASEOUS STATE

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|1 Videos

  • SOLID STATE

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|1 Videos

Similar Questions

Explore conceptually related problems

What is the minimum pH necessary to cause a precipitate of Pb(OH)_(2) (K_(sp)=1.2xx10^(-5)) to form in a 0.12 M PbCl_(2) solution?

Find moles of NH_(4)Cl required to prevent Mg(OH)_(2) from precipitating in a litre of solution which contains 0.02 mole NH_(3) and 0.001 mole Mg^(2+) ions. Given : K_(b)(NH_(3))=10^(-5), K_(sp)[Mg(OH)_(2)]=10^(-11) .

Calculate the potential of a half cell having reaction : Ag_2S(s)+2e^(-)iff2Ag(s)+S^(2-)(aq) in a solution buffered at pH=3 and which is also saturated with 0.1 MH_2 S(aq): [Given: K_(sp)(Ag_2S)=10^(-49),K_(a1)=10^(-8)*K_(a2)=1.1 X 10^(-13)] E=( Ag^+// Ag^+2) =0.8

What is the precent dissociation (alpha) of a 0.01 M HA solution? (K_(a)=10^(-4))

A solution is saturated in SrCO_(3) and SrF_(2) The CO_(3)^(2-) was found to be 10^(-3) mol/L. If the concentratuonof F^(-) in solution is represented as yxx10^(-2) M then what is the value of y ? ["Given" : K_(sp)(SrCO_(3))=2.5xx10^(-10),K_(sp)(SrF_(2))=10^(-10)]

Calculate pH of a buffer solution that contains 0.1M NH_(4)OH(K_(b)=10^(-5)) and 0.1 M NH_(4)Cl.

What is the pH of a solution in which 10.0 mL of 0.010 M Sr(OH)_(2) is added to 10.0 mL of 0.010 M HCl?

Will a precipitate from if 50 cm^(3) of 0.01 M AgNO_(3) and 50 cm^(3) of 2xx10^(-5) M NaCl are mixed? ["Given": K_(sp)(AgCl)=10^(-10)M^(2)]

What is the pH of a saturated solution of Cu(OH)_(2) ? (K_(sp)=2.6xx10^(-19)

What is the concentration of Ba^(2+) when BaF_(2) (K_(sp)=1.0xx10^(-6)) begins to precipitate from a solution that is 0.30 M F^(-) ?