Chapter 2  Solutions Class 12 Chemistry Maharashtra Board Textbook Solution

1. Choose the most correct answer.

xi. Henry’s law constant for a gas CH3Br  is 0.159 moldm-3 atm at 25 0C. What is the solubility of CH3Br in water at 25 0C and a partial pressure of 0.164 atm?
a. 0.0159 mol L-1

b. 0.164 mol L-1

c. 0.026 M

d. 0.042 M

Answer:-

c. 0.026 M

Explanation:

S = KHP = 0.159 mol dm-3 atm-1 × 0.164 atm

= 0.026 M

Chapter 2  Solutions Class 12 Chemistry Maharashtra Board Textbook Solution