Question
Indicate the incorrect statement$:$
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| Column I | Column II |
| (a) Molarity | (1) $\frac{\text { Mass of solute }}{\text { Mass of solution }} \times 10^6$ |
| (b) Molality | (2) Number of gram moles of a solute per litre of solution |
| (c)Normality | (3) Number of gram moles of a solute per kg of solvent |
| (d) ppm | iv) Number of gram equivalent of a solute per litre of solution |
| Column I | Column II |
| (a) Hypertonic | (i) NaCl. |
| (b) Hypotonic | (ii) Solution having higher osmotic pressure than other solution. |
| (c) Isotonic | (iii) Solution having lower osmotic pressure than other solution. |
| (d) Electrolyte | (iv) Solutions having same osmotic pressure. |