Chemistry Class 11 NCERT Solutions: Chapter 7 Equilibrium Part 16

Chemistry Class 11 NCERT Solutions Chapter 7 Equilibrium Part 16

Q: 48. Assuming complete dissociation, calculate the pH of the following solutions:

(A) Equation

(B) Equation

(C) Equation

(D) Equation

Answer:

(i) Equation :

Equation

Since HCl is completely ionized,

Structure of HCl Completely Ionized

Structure of HCl Completely Ionized

Structure of HCl Completely Ionized

Equation

Equation

Now,

Equation

Equation

Hence, the pH of the solution is 2.52

(ii) Equation

Equation

Equation

Equation

Equation

Equation

Equation

Equation

Hence, the pH of the solution is 11.70.

(iii) Equation :

Equation

Equation

Equation

Equation

Equation

Equation

Hence, the pH of the solution is 2.69

(iv) Equation :

Equation

Equation

Equation

Now, Equation

Equation

Equation

Equation

Hence, the pH of the solution is Equation

Explore Solutions for Chemistry

Sign In