Which of the following statement defines isotonic solutions?

In which solution, the concentration of solvent and solutes is same as in the cytoplasm of the specific cell.

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In which solution, the concentration of solvent and solutes is higher as in the cytoplasm of the specific cell.

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In which solution, the concentration of solvent and solutes is lower as in the cytoplasm of the specific cell.

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In which solution, the concentration of solvent is higher and concentration of solutes is same as in the cytoplasm of the specific cell.

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Solution

The correct option is A In which solution, the concentration of solvent and solutes is same as in the cytoplasm of the specific cell.
In the isotonic solution, the concentration of solvent and solutes of the solution is same as in the cytoplasm of the specific cell. This state allows the free movement of molecules across the membrane without changing the concentration of solutes on either side. Thus, the correct answer is option A.

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Question 6
Which among the following defines osmosis the best?

(a) Movement of water molecules from a region of higher concentration to a region of lower solute concentration through a semipermeable membrane
(b) Movement of solvent molecules from its higher concentration to a lower concentration
(c) Movement of solvent molecules from a higher concentration to a lower concentration of solution through a permeable membrane
(d) Movement of solute molecules from a lower concentration to a higher concentration of a solution through a semipermeable membrane

Q. Which of the following process forces pure solvent to pass through a semi-permeable membrane from the higher concentration of solute to the lower concentration of solute?

Q. In a solution, the concentration of

C a C l_{2}

5 M

and that of

M g C l_{2}

5 M

. The specific gravity of solution is

1.05

. Calculate the concentration of

C l^{-}

in the solution in terms of its molarity.

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