Chemistry questions
29404 published questions with worked solutions.
- The solution containing 4.0 gm of a polyvinyl chloride polymer in 1 litre of dioxane was found to have an osmotic pressure 6.0...
- If 20 g of a solute was dissolved in 500 ml of water and osmotic pressure of the solution was found to be 600 mm of Hg at 15^ ,...
- If a 6.84 % (wt./vol.) solution of cane sugar (mol. wt. = 342) is isotonic with 1.52% (wt./vol.) solution of thiocarbamide, then...
- A solution of urea contains 8.6 gm/litre (mol. wt. 60.0). It is isotonic with a 5 % solution of a non-volatile solute. The...
- The van't Hoff factor i for a 0.2 molal aqueous solution of urea is
- The experimental molecular weight of an electrolyte will always be less than its calculated value because the value of van't Hoff...
- Van't Hoff factor i=
- Van't Hoff factor is
- The degree of dissociation ( ) of a weak electrolyte A_xB_y is related to van't Hoff factor (i) by the expression
- The molar mass of NaCl determined by colligative property measurement will be
- Acetic acid exists in benzene solution in the dimeric form. In an actual experiment the van't Hoff factor was found to be 0.52....
- The van't Hoff factor (i) for 0.2 m aqueous glucose solution is
- Which of the following equation solution will have highest boiling point at 1 atm. pressure?
- The van't Hoff factor calculated from association data is always _____ than calculated from dissociation data.
- Which one of the following solutions would exhibit abnormal osmotic pressure?
- The depression in freezing point for 1 M urea, 1 M glucose and 1 M NaCl are in the ratio
- Van't Hoff factor more than unity indicates that the solute in solution has
- The substance A when dissolved in solvent B gave molar mass corresponding to A_3. The van't Hoff factor will be
- The van't Hoff factor for 0.1 M CaCl_2 solution is 2.74. The degree of dissociation is
- Van't Hoff factor of Ca(NO_3)_2 is