www.ThinkITI.com

Home
MCQ
Search
Free Apps
Important
Study Groups
Contact Us
Policy

Home
MCQ
Objective Questions
GS
GS Set-1
Chemistry
Physical Chemistry
135

Physical Chemistry MCQ with Answers

135) Two solutions of a substance are mixed in the following manner: 480 mL of 1.5M of solution 1 + 520 mL of 1.2M of solution 2. What is the molarity of the final mixture?

1.344M

2.7M

1.5M

1.2M

Answer is:

1.344M

Explanation:

M₁V₁ + M₂V₂ = M₃V₃

Physical Chemistry MCQ with Answers

For more MCQ's Click Here

136) 18 gm of glucose is added to 178.2 gm of water. The vapour pressure of water for this aqueous solution at 100^oC is:

759 torr

7.6 torr

76 torr

752.4 torr

Answer is:

752.4 torr

137) Which of the following liquid pairs shows a positive deviation from Raoult′s law?

Water − nitric acid

Water − hydrochloric acid

Benzene − methanol

Acetone − chloroform

Answer is:

Benzene − methanol

138) An aqueous solution of sucrose, containing 34.2 gm⁄L, has an osmotic pressure of 2.38 atm at 17^oC. For an aqueous solution of glucose to be isotonic with this solution, it would have:

18 gm⁄L

16.2 gm⁄L

36.6 gm⁄L

14 gm⁄L

Answer is:

18 gm⁄L

Explanation:

P (sucrose) = P (glucose)

139) pH of 0.1M monobasic acid solution is found to be 2. Its osmotic pressure at T K is:

11.11ST

0.11ST

0.011ST

1.11ST

Answer is:

0.11ST

Physical Chemistry MCQ with Answers

For more MCQ's Click Here

135) Two solutions of a substance are mixed in the following manner: 480 mL of 1.5M of solution 1 + 520 mL of 1.2M of solution 2. What is the molarity of the final mixture?

1.344M

Physical Chemistry MCQ with Answers

Related Physical Chemistry MCQ with Answers

136) 18 gm of glucose is added to 178.2 gm of water. The vapour pressure of water for this aqueous solution at 100oC is:

752.4 torr

137) Which of the following liquid pairs shows a positive deviation from Raoult′s law?

Benzene − methanol

138) An aqueous solution of sucrose, containing 34.2 gm⁄L, has an osmotic pressure of 2.38 atm at 17oC. For an aqueous solution of glucose to be isotonic with this solution, it would have:

18 gm⁄L

139) pH of 0.1M monobasic acid solution is found to be 2. Its osmotic pressure at T K is:

0.11ST

Physical Chemistry MCQ with Answers

136) 18 gm of glucose is added to 178.2 gm of water. The vapour pressure of water for this aqueous solution at 100^oC is:

138) An aqueous solution of sucrose, containing 34.2 gm⁄L, has an osmotic pressure of 2.38 atm at 17^oC. For an aqueous solution of glucose to be isotonic with this solution, it would have: