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- All of the following regarding Argentometric titration are correct except: a. Chromate indicator is used in Mohr method b. Greater values of Ksp give sharper break and inflection at end point c. Increasing reagent concentration makes the change in pAg larger. d. Volhard's method involves adding excess AgNO, to the analyte, then back titration with standard SCN solution. e. Fajan's method depends on adsorption of fluorescence indicator on the colloidal precipitate formed Please fill in the space with one of the following characters ( a orb or c or d or e)All of the following regarding Argentometric titration are correct except: a. Chromate indicator is used in Mohr method b. Greater values of Ksp give sharper break and inflection at end point c. Increasing reagent concentration makes the change in pAg larger. d. Volhard's method involves adding excess AgNO, to the analyte, then back titration with standard SCN solution. e. Fajan's method depends on adsorption of fluorescence indicator on the colloidal precipitate formed Please fill in the space with one of the following characters ( a or b or c or d or e) Answer:All of the following regarding Argentometric titration are correct except: a. Chromate indicator is used in Mohr method b. Smaller values of Ksp give sharper break or inflection at end point c. Increasing reagent concentration makes the change in pAg smaller. d. Volhard's method involves adding excess AgNO, to the analyte, then back titration with standard SCN solution. e. Fajan's method depends on adsorption of fluorescence indicator on the colloidal precipitate formed
- All of the following regarding Argentometric titration are correct except: a. Chromate indicator is used in Mohr method b. Smaller values of Ksp give sharper break or inflection at end point c. Increasing reagent concentration makes the change in pAg smaller. d. Volhard's method involves adding excess AgNO3 to the analyte, then back titration with standard SCN solution. e. Fajan's method depends on adsorption of fluorescence indicator on the colloidal precipitate formed Please fill in the space with one of the following characters (a or b or c or d or e) Answer:All of the following regarding Argentometric titration are correct except: a. Chromate indicator is used in Mohr method b. Smaller values of Ksp give sharper break or inflection at end point c. Increasing reagent concentration makes the change in pAg smaller. d. Volhard's method involves adding excess AgNO, to the analyte, then back titration with standard SCN solution. e. Fajan's method depends on adsorption of fluorescence indicator on the colloidal precipitate formed Please fill in the space with one of the following characters (a or b or c or d or e) Answer:Time left 0:53: All of the following regarding Argentometric titration are correct except: a. Chromate indicator is used in Mohr's method b. Smaller values of Ksp give sharper break at end point c. Increasing reagent concentration makes the change in pAg larger. d. Volhard's method involves adding excess AgNO, to the analyte, then back titration with standard Fe solution. e. Fajan's method depends on adsorption of fluorescence indicator on the colloidal precipitate formed Please fill in the space with one of the following characters (a or b or e or d or e) Answer: SHOT ON MI| 9T 000 AI TRIPLE CAMERA
- 1. One of the methods of eliminating interferences, is by adding solvents to the solution in which components to be removed are soluble, which method is this? a. Complexation b. Extraction lon-exchange d. Precipitate С. 2. Which of the following properties of precipitates is desired in gravimetry? a. Large b. Pure С. Free of contaminants d. All of the choicesComplex Ion Formation and Precipitation Reactions i. A 1-L water sample was submitted for determination of chloride ion. 100.00mL the sample was analyzed using the Volhard method. 50.00 mL of 0.0929N AgNO3 was added to the sample and was back titrated with 12.50mL of 0.0510N KSCN solution to reach the end point. Find ppm Cl- in the water sample. ii. Using Mohr method, the chloride content of a mineral water was determined. 50.00mL of the sample was titrated with 10.80mL of 0.05N AgNO3 solution to reach end point. Determine the concentration of Cl- in ppm. iii. Calculate the hardness of a water sample such that 100.00mL of the sample required 35.00mL of 0.1051M EDTA solution to reach the end point.the solubility of silver sulfate in water is determined to be 570 mg/100mL 1. will sat/ precipitate/ complex form from the initial reaction ? a. yes b. no 2. what happens with the solubility of the salt/ precipoitate/ complex if more titrant is added in the process a. increase b. decrease c. no effect 3. comparing the salt/ precipitate/ complex formed from the ksp of calcium sulfate, which is 3.84x10^-8, what can you say about the solubility of the former? a. more soluble b. less soluble c. cannot be determined
- The following statements are ways to mitigate EDTA titration's low sensitivity EXCEPT A. Buffer at specific pH to avoid other metal ions to complex with EDTA B. Use of masking agents to react with other cations C. Using higher concentration of EDTA titrant D. Use of optimal form of EDTA that will complex with the target metal ion/s E. None of the choices.the solubility of silver sulfate in water is determined to be 570 mg/100mL based on the given chemical species and parameters contained in the problem, what type of titrimetry is involved? a. direct b. indirect c. residualone of the following is correct about Fajans method a. adsorption of Fluorescence on precipitate transfer the color from the precipitate to the solution b. the primary layer of precipitate before reaching the end point has a negative charge c. none of them d. Fluorescence is a basic dye ionized during the titration