MCQOPTIONS
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MCQOPTIONS
| 1. |
On mixing 3 g of non - volatile solute in 200 mL of water, its boiling point \[\left( 100{}^\circ \right)\] becomes \[100.52{}^\circ C.\] If \[{{K}_{b}}\] for water is 0.6 K/m then molecular wt. of solute is: |
| A. | \[10.5g\,\,mo{{l}^{-1}}\] |
| B. | \[12.6g\,\,mo{{l}^{-1}}\] |
| C. | \[15.7\,g\,\,mo{{l}^{-1}}\] |
| D. | \[17.3\,g\,\,mo{{l}^{-1}}\] |
| Answer» E. | |