Question

Consider the following experimental set up in which glucose is dissolved in water:

Solution A                                 Solution B                            Solution C

100 glucose molecules               50 glucose molecules            75 glucose molecules

1 Liter of water                          1 Liter of water                    1 Liter of water

Fill in the blanks:

1. Solution A is _________________ to solution B.

a. hypotonic

b. hypertonic

c. isotonic

d. No answer text provided.

2. Solution C is _________________ to solution B.

a. hypotonic

b. hypertonic

c. isotonic

d. No answer text provided.

3. Solution C is _________________ to solution A.

a. hypotonic

b. hypertonic

c. isotonic

d. No answer text provided.

4. If 25 glucose molecules were added to solution B, then solution B would be _____________ to solution C.

a. hypotonic

b. hypertonic

c. isotonic

d. No answer text provided.

Answer 1

Answer-

According to the given question-

Here we have three glucose solution A,B ,and C.

Solution A have 100 glucose molecule dissolved in water, solution B have 50 glucose molecule dissolved in water,and solution C have 75 glucose molecule dissolved in water.

Which means that solution A is more

re concentrated than solution B and solution C. While solution C is more concentrated than solution B.

Concentration of Solution A > solution C > solution B.

When the concentration of a solution is less concentrated than the other solution then the former was said to be hypotonic to later, or later solution is hypertonic to the former solution.

When the concentration of two solutions is the same they said to be isotonic to each other.

Question 1- solution A is hypertonic to solution B because the concentration of Solution A > solution B. Because solution A has 100 molecules of glucose compared to solution B which have 50 glucose molecules.

Correct answer is (B)

Question 2- solution C is hypertonic to solution B because solution C has 75 glucose molecules compared to solution B which has 50 glucose molecules.

The correct answer is ( B).

Question 3- solution C is hypotonic to solution A because solution C has 75 glucose molecules compared to solution A which has 100 glucose molecules.

The correct answer is (A).

Question 4- when 25 glucose molecules is added to solution B then total glucose molecules in solution will be 75. So concentration of Solution B is equal to solution C because both solution B and solution C have same number of glucose molecules.

So solution B is isotonic to solution C.

The correct answer is (c).