Related InterviewSolutions

• What is the molarity of HCl in a solution prepared by dissolving 5.5 g HCl in 200 g ethanol if the density of the solution is 0.79 `g mL^(-1)`?A. 21 MB. `0.58 M`C. `6 xx 10^(-4) M`D. 1.7 M
• Semipermeable membrane is that which permits the passage of :A. solute molecules onlyB. solvent molecules onlyC. solvent and solute molecules bothD. neither solute nor solvent molecules
• Pure benzne freezes at `5.3^(@)C`. A solution of 0.223g of phenyl acetic acid `(C_(6)H_(5)CH_(2)COOH)` in 4.4g of benzene `(K_(f)=5.12 "K kg mol"^(-1))` freezes at `4.47^(@)C`. From the observation one can conclude that :A. phenyl acetic acid exists as such in benzeneB. phenyl acetic acid undergoes partial ionization in benzeneC. phenyl acetic acid undergoes complete ionization in benzeneD. phenyl acetic acid dimerizes in benzene
• The movement of solvent molecules from higher concentration to lower concentration through semipermeable membrane under pressure is termed :A. osmosisB. reverse osmosisC. dialysisD. diffusion
• The order of osmotic prssure of equimolar solutions of `BaCl_(2),NaCl` and glucose will be:A. glucose `gt` NaCl `gt BaCl_(2)`B. `BaCl_(2) gt` NaCl `gt` glucoseC. NaCl `gt BaCl_(2) gt` glucoseD. NaCl `gt` glucose `gt BaCl_(2)`
• (A) : Molarity of 0.02 N solution of `HNO_(3)` is 0.02 M (R) : Molarity and normality of a soltuion are never equal.A. If both (A) and (R) are correct and (R) is the correct explanation for (A)B. If both (A) and (R) are correct but (R) is not correct explanation for (A)C. If (A) is correct but (R) is incorrectD. If (A) is incorrect but (R) is correct
• `K_(2)HgI_(4)` is `50%` ionised in aqueous solution. Which of the following are correct ?A. `n=7`B. `n=3`C. `i=2`D. `i=4`
• The decrease in freezing point of an aqueous solution of a substance is 1.395 K and that in the freezing point of a benzene solution of the same substance is 1.28 K. The substance :A. dissociates in aqueous solution as well as in the benzene solutionB. forms complexes in the solutionC. associates in the benzenem solutionD. dissociates in the aqueous solution and not in the benzene solution
• Consider 0.1 M solutions of two solutes X and Y. The solute X behaves as univalent electrolyte, while the solute Y dimerises in solution. Select correct statement(s) regarding these solutions:A. 1,2,3B. 2,3,4C. 1,2,4D. 1,3,4
• Which solution will exert highest osmotic pressure ?A. 1 M glucose solutionB. 1 M urea solutionC. 1 M alum solutionD. 1 M NaCl solution