Home
Class 12
CHEMISTRY
The ionization constant of formic acid i...

The ionization constant of formic acid is `1.8xx10^(-4)`. Around what pH will its mixture with sodium formed give buffer solution of higher capacity. Calculate the ratio of sodium formate and formic acid in a buffer of `pH 4.25`.

Text Solution

AI Generated Solution

To solve the problem, we will follow these steps: ### Step 1: Calculate pKa from the given ionization constant (Ka) The ionization constant (Ka) for formic acid is given as \(1.8 \times 10^{-4}\). To find pKa, we use the formula: \[ \text{pKa} = -\log(\text{Ka}) ...
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • IONIC EQUILIBRIUM

    VMC MODULES ENGLISH|Exercise Illustration - 15|1 Videos
  • IONIC EQUILIBRIUM

    VMC MODULES ENGLISH|Exercise Illustration - 16|1 Videos
  • IONIC EQUILIBRIUM

    VMC MODULES ENGLISH|Exercise Illustration - 13|1 Videos
  • INTRODUCTION TO ORGANIC CHEMISTRY

    VMC MODULES ENGLISH|Exercise JEE ADVANCED ARCHIVE|81 Videos
  • JEE MAIN - 5

    VMC MODULES ENGLISH|Exercise PART II : CHEMISTRY (SECTION - 2)|5 Videos

Similar Questions

Explore conceptually related problems

Calculate the ratio of sodium formate and formic acid (K_(a)=2xx10^(-4)) in a buffer solution of pH=4.3.

The ionization constant of chloroacetic acid is 1.35xx10^(-3) . What will be the pH of 0.1 M acid and its 0.1M sodium salt solution?

i At what pH will the mixture of HCOOH and HCOONa given buffer solution of higher capacity? (K_(a) of HCOOH = 1.8 xx 10^(-4))

The dissociation constant of an acid is 1xx10^(-5) . The pH of its 0.1 M solution will be approximately

The ionization constant of nitrous acid is 4.5xx10^(-4) . Calculate the pH of 0.04 M sodium nitrite solution and also its degree of hydrolysis.

The dissociation constant of a weak acid HA is 1.2 xx 10 ^(-10) Calculate its pH in a 0.1 M solutions

The ionization constant of acetic acid 1.74xx10^(-5) . Calculate the degree of dissociation of acetic acid in its 0.05 M solution. Calculate the concentration of acetate ion in the solution and its pH .

If at 25^(@) the ionization constant of acetic acid is 2 xx 10^(5) the hydrolysis constant of sodium acetate will be

Calculate the pH of 0.2M sodium butyrate, (K_(a) for butyric acid is 2.0xx10^(-5))

The dissociation constant of a weak acid is 1 xx 10^(-4) . In order of prepare a buffer solution with a pH =5 the [Salt]/[Acid] ratio should be