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Which of the following has maximum water potential

Which of the following has maximum water potential?

Options

(a) pure water
(b) 2% sucrose solution
(c) 4% glucose solution
(d) 10% sodium chloride solution

Correct Answer:

pure water

Explanation:

Water potential of pure water is maximum i.e. zero and addition of solutes in it decreases the water potential i.e. -ve value. Water potential is the free energy per mole of water molecule.

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