Which of the following has maximum water potential? |
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a) |
Pure water |
b) |
2% sucrose solution |
c) |
4% glucose solution |
d) |
10% sodium chloride solution |
Which of the following has maximum water potential? |
|||
a) |
Pure water |
b) |
2% sucrose solution |
c) |
4% glucose solution |
d) |
10% sodium chloride solution |
(a) 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. |