Chemistry Class 11 NCERT Solutions: Chapter 7 Equilibrium Part 24

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Chemistry Class 11 NCERT Solutions Chapter 7 Equilibrium Part 24

Q: 64. The ionization constant of chloroacetic acid is . What will be the pH of acid and its sodium salt solution?

Answer:

It is given that

is the salt of a weak acid i.e., and a strong base i.e., .

Also, (Where x is the concentration of and )

Q: 65. Ionic product of water at . What is the pH of neutral water at this temperature?

Answer:

Ionic product,

Let

Since

Hence, the pH of neutral water is 6.78