Home
Class 11
CHEMISTRY
Find moles of NH(4)Cl required to preven...

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)`.

A

`10^(-4)`

B

`2xx10^(-3)`

C

`0.02`

D

`0.1`

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 [NH_(4)^(+)] in a solution that contain 0.02 M NH_(3)(K_(b)=1.8xx10^(-5)) and 0.01 M KOH?

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)]

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

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)]

Will a precipitate from if 1 volume of 0.1 MPb^(2+) ion solution in mixed with 3 volume of 0.3 M Cl^(-) ion solution ? ["Givem":K_(sp)(PbCl_(2))=1.7xx10^(-5)M^(3)]

At 25^(@)C, will a precipitate of Mg (OH)_(2) from when a 0.0001 M solution of Mg(NO_(3))_(2) is adjusted to a pH of 9.0 ? At what minimum value of pH will precipition start ? ["Given" : K_(sp)(Mg(OH)_(2))=10^(-11)M^(3)]

What is the concentration of CH_(3)COOH(aq.) in a solution prepared by dissolving 0.01 mole of NH_(4)^(+)CH_(3)COO^(-) in 1 L H_(2)O ? [K_(a(CH_(3)COOH))=1.8xx10^(-5)),K_(b(NH_(4)OH)=1.8xx10^(-5))]

An aqueous solution at room temperature contains 0.1 M NH_(4)Cl and 0.01M NH_(4)OH (pK_(b)=5), the pH of the solution is :

A 1 litre solution containing NH_(4)Cl and NH_(4)OH has hydroxide ion ion concentration of 10^-6) mol//litre. Which of the following hydroxides could be precipitated when the solution is added to 1 litre solution of 0.1 M metal ions? (I) Ba(OH)_(2)(K_(sp)=5xx10^(-3)) , (II) Ni(OH)_(2)(K_(sp)=1.6xx10^(-16)) (III) Mn(OH)_(2) (K_(sp)=2xx10^(-13)) , (IV) Fe(OH)_(2) (K_(sp)=8xx10^(-16))

What mass of Agl will dissolve in 1.0 L of 1.0 M NH_(3) ? Neglect change in conc. Of NH_(3) . [Given: K_(sp)(AgI)=1.5xx10^(-16)), K_(f)[Ag(NH_(3))_(2)^(+)]=1.6xx10^(7)], (At. Mass Ag=108,I=127)