Home
Class 11
CHEMISTRY
Find the precentage degree of dissociati...

Find the precentage degree of dissociation of 0.05 M `NH_3 at 25^(@) ` C in a solution of pH = 11

Text Solution

Verified by Experts

The correct Answer is:
2
` C = 0.0 5 ,pH = 11 , pOH = 3 `
`rArr [OH^(-)] =10 ^(-3) = Calpha `
` rArr alpha = (10^(-3))/(5 xx 10 ^(_2) ) = 2 xx1 0 ^(_2) =2%`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • IONIC EQUILIBRIUM

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE -III LEVEL -I (MAIN ) (Straight Objective Type Questions))|52 Videos

  • IONIC EQUILIBRIUM

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE -III LEVEL -II (ADVANCED ) (Straight Objective Type Questions))|12 Videos

  • IONIC EQUILIBRIUM

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE -II LEVEL -II (ADVANCED) ( Matrix Matching Type Questions))|2 Videos

  • HYDROGEN AND ITS COMPOUNDS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|20 Videos

  • ISOMERISM

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE ( PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|10 Videos

Similar Questions

Explore conceptually related problems

The percentage of dissociation of CH_(3),NH_(2) , in an aqueous solution with [H^(+)] = 10^(-10) M in 0.1M concentration is'x'. The value of 10x is _________ ?

The degree of dissociation of 0.1 M weak acid is 10^(-2) and the degree of dissociation of the same acid in 0.025M concentration is '*', then find 100x. __________ ?

Knowledge Check

  • The degree of dissociation of an acid HA in 0.1 M solution is 0.1%. Its dissociation constant is

    A
    `1 xx 10^(-3)`
    B
    `1 xx 10^(-7)`
    C
    `1 xx 10^(-10)`
    D
    `1 xx 10^(-14)`

  • At a certain temperature, the degree of dissociation of PCI_(5) was found to be 0.25 under a total pressure of 15 atm. The value of K_(P) for the dissociation of PCl_(5) is

    A
    1
    B
    0.25
    C
    0.5
    D
    0.75

  • Weak acids dissociate partially in aqueous medium. If any common ion is present in the solution. The degree of dissociation of the acid is suppressed however the dissociation constant value remains constant. What is the degree of dissociation of water in 0.01 M HCOOH (K_(a) =10 ^(-6) ) at 25 ^(@) C?

    A
    ` 1.8 xx 10 ^(-12) `
    B
    ` 1.8 xx 10 ^(-14) `
    C
    ` 0.8 xx 10^(-12) `
    D
    ` 3.6 xx 10^(-10 ) `

    • Similar Questions

    Explore conceptually related problems

    Determine the degree of ionization and pH of a 0.05 M of ammonia solution. The ionization constant of ammonia can be take from table 7.7. Also, calculate the ionization constant of the conjugate acid of ammonia.

    The degree of dissociation ( alpha ) of a weak acid HA in 0.1 M solution is 0.006. How does the value of alpha vary for HA in 0.05 M solution ?

    0.5 molar NaCl and 0.8 molal urea solutions are formed to be isotonic at 27^(@)C then the degree of dissociation of NaCl under these consitions is reported as x xx10% . What is the value of 'x' ?

    Determine the degree of ionization and pH of 0.05M of ammonia solution. The ionization constant of ammonia can be taken from Table 7.7 . Also, calculate the ionization constant of the conjugate acid of ammonia.

    The ionization constant of HF is 3.2xx10^(-4) . Calculate the degree of dissociation of HF in its 0.02 M solution. Calculate the concentration of all species present (H_(3)O^(+).F^(-) and HF) . In the solution and its pH.

    Home
    Profile