J & K CET Medical J & K - CET Medical Solved Paper-2003

  • question_answer
    Which of the following has maximum water potential?

    A)  Pure water

    B) 2% sucrose solution

    C) 4% glucose solution

    D) 10% sodium chloride solution

    Correct Answer: A

    Solution :

    Water potential is the difference in free energy or chemical potential per unit molal volume of water in a system and that of pure water at the same temperature and pressure. The water potential of pure water is zero and it decreases on addition of solutes.


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