Q: Why should excess alkali be avoided in the FeCl3 test for acetic acid and benzoic acid?
A: When Acetic acid is treated with neutral Ferric Chloride Solution, then Red brown Precipitate of…
Q: Explain the analogies between the titration of a metal with EDTA and the titration of a strong acid…
A: EDTA has four carboxyl groups and two amine groups that can acts as electron pair donors or Lewis…
Q: In the complexometric titration of Ca and EDTA, when can a quick addition of titrant to the analyte…
A: The titration of EDTA with the metal ions is lnown as complexometric titration.Because in this EDTA…
Q: (ii) Consider the titration of 25.00 mL of 0.02000 M CaSO4 with 0.01000 M EDTA at pH 10.00. Write…
A: volume of EDTA = 20ml volume of CaSO4 = 25ml pH = 10
Q: EDTA is one of the common reagents used in a complexometric titration. a. Can we use EDTA…
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: Which is NOT true about EDTA? a. EDTA acts as a complexing agent in compleximetric titrations b.…
A: EDTA(Ethylenediamine tetraacetic acid) is a polyprotic acid with 4 acid, -COOH groups and 2 amine,…
Q: The titration of Zn+2 and EDTA is carried out in the same manner as the Mg+2-EDTA titration. In this…
A: It is explained as given below :
Q: Which of the following causes the sharpest change in the equivalence point of a complexometric…
A: A multiple choice question based on complexometric titration, which is to be accomplished.
Q: Calculate the concentration of Ni2+ in the solution prepared by mixing a) 50 mL 0.03 M Ni2+ with…
A:
Q: Why is it essential that some undissolved Ca(IO3)2 remain in the solution to be measured?
A: Ca(IO3)2 dissociates to corresponding ions when dissolved in water.
Q: List four methods of detecting the end-point of an EDTA titration and explain each.
A: Titration is a method of analyzing an unknown sample with the help of a known sample using an…
Q: Write the mass balance equation for EDTA and the complete charge balance for the complexometric…
A: Various titrations are studied in chemistry. One of them is complexation titration. It takes place…
Q: Considering the graph given, what is the most suitable pH for the titration of calcium with EDTA?
A: The EDTA titration of Ca2+ ions is carried out at high pH values. An increase in pH enhances the…
Q: etermin
A: The absolute technique in which mass can be used to find quantity needed to electrolyze the…
Q: Cd²+ forms a stable complex with EDTA. Consider the titration of 30.00 ml of 0.0525 M Cd with 0.125…
A: Titration of 30.00 mL of 0.0525 M Cd with 0.125 M EDTA solution at pH 9We have to calculate the…
Q: An EDTA solution was prepared by dissolving approximately 4 g of the disodium salt in approximately…
A: Given: The mass of MgCO3=0.7682 g molar mass of MgCO3 = 84.314 g/mol Let the volume of standard…
Q: In complexation volumetry, classify the statements below as true or false. Justify the one(s) that…
A: EDTA i.e. Ethylenediaminetetraacetic acid is a well known metal-chelating agent, it is hexadentate…
Q: A deepwell water sample of 100 mL was titrated with 0.010 M EDTA at pH 12 and consumed 31 mL.…
A:
Q: 3. What is the color of the doubly ionized Eriochrome Black T indicator in slightly basic solution?…
A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…
Q: b) What is the function of using the following chemicals in the Determination of Zinc in…
A: Ion-exchange chromatography retains analyte molecules on the column based on coulombic (ionic)…
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A: Confirmatory Test of Mg2+ 1. For the test of Mg2+ , In a sample of Mg2+ solution, 2 drops of…
Q: Calculate the pSr value for 10 mL of EDTA in the titration of 50 mL of 0.02 M Sr2 + in an…
A: In the titration reaction, the pH of a buffer determines whether the buffer is acidic or basic. The…
Q: A standard solution contains 100 ppm of Fe, which was found to have an absorbance of 0.151 au at 508…
A:
Q: Which of the following statements is TRUE about EDTA titration? A. Eriochrome black T is a titrant…
A: The EDTA is a hexadendate ligand that is used in the complexometric titration. The EDTA can form…
Q: Question attached
A: EDTA is ethylene diamine tetra acetic acid. It is a hexadentate ligand. The ability of multidentate…
Q: 2. EDTA is one of the common reagents used in a complexometric titration. a. Can we use EDTA…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: 6. The solubilities of the sulfate and chromate of Barium in this reagent is used to distinguish the…
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Q: why Mg (II) must be added when EDTA is standardized using a calcium standard solution and Eriochrome…
A:
Q: Explain why K2CrO4 is used as an indicator in Argentometric titration
A: Argentometric titration is the titration method, which is used for the detection of halides or…
Q: In the titration of 50 mL 0.02 M Sr² with 0.02 M EDTA in a buffered medium at titrated pH 11,…
A: EDTA is ethylenediaminetetraacetic acid which is an indicator which complexes with the metal ions…
Q: Why should the solution be adjusted to pH 10 prior to EDTA titration?
A:
Q: 11. A solution of 0.0500M Ca²* and 0.00500M Mg* was titrated against EDTA at pH = 10 (K'r for CaY2…
A: EDTA is ethylenediaminetetraacetic acid which is an indicator. It has 2 amino and 4 carboxyl groups.…
Q: QUESTION 1. Explain why Mg-EDTA complex is added to the titration mixture in the determination of…
A:
Q: Considering the graph given, what is the most suitable pH for the titration of calcium with EDTA?…
A: The determination of the calcium by titration with EDTA is one of the classic methods. The structure…
Q: An EDTA solution was prepared by dissolving approximately 4 g of the disodium salt in approximately…
A:
Q: Cd2* forms a stable complex with EDTA. Consider the titration of 30.00 mL of 0.0525 M Cd" with 0.125…
A: The reaction between Cd2+ and EDTA takes place in the following way :Cd2+ + EDTA →…
Q: * EDTA is used for titration of -5
A: EDTA stands for ethylenediamine tetra acetic acid. It can acts as ligand i.e electron pair donar.…
Q: Calculate the volume of 0.0500 M EDTA needed to titrate the Ca in 0.1973 g of CaCO3
A:
Q: An accurately weighed chelometric standard calcium carbonate of 200 mg was used to standardize…
A: Given, mass of calcium carbonate, M1 = 200×10-3 g molarity of Disodium EDTA = 0.054 M
Q: a. What is the solubility of silver chromate in 0.0600 M silver nitrate solution with a Ksp = 1.0 x…
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Q: A. What is the acid/base ratio? Why is it important in the titrimetric process? B. Why should you…
A: a. Answer - According to the question - acid base ratio - We know that for perfect neutralization,…
Q: Cd2* forms a stabie complex with EDTA. Consider the titration of 30.00 ml of 0.0525M Ca with 0125 M…
A: The reaction that takes place is: Cd2+ + EDTA → [CdEDTA]2− 30.00 mL of 0.0525 M Cd2+ reacts with…
Q: Which of the following causes the sharpest change in the equivalence point of a complexometric…
A: The question is based on the concept of complexometric titration. we have to identify the reason…
Q: An unknown sample containing mixed alkali (naoh, nahco3, or na2co3) was analyzed using the double…
A:
Q: At pH 7, what metal ions can be titrated by EDTA?
A: In complexometric titrations, EDTA requires a certain minimum pH for titrating each metal ion. The…
Q: A mixture of Al3+ and Mg2+ in a sample of water. Explain a procedure to analyse this mixture using…
A: Aluminium ion, Al3+, form stable complex with EDTA than Mg2+does.
Q: Explain why calmagite and eriochrome black T would not work well as indicators for EDTA titrations…
A: A blue dye called Eriochrome Black T (ErioT) is used as the indicator. This blue dye also forms a…
Q: Calculate the pCa for the titration of 100 ml of 0.050 M Ca²+ at pH = 8 with 0.1 M EDTA After…
A: The balanced equation for the reaction of Ca2+(aq) and EDTA, Y4-(aq) is: Ca2+(aq) + Y4-(aq) ⇌…
Q: A 50.0ml sample of water containing both Ca+2 and Mg+2 is titrated with 16.54ml of 0.01104M EDTA in…
A: Calculation of total mol of EDTA used: nEDTA=Molarity×Volume=0.01104 mol/L×16.54×10-3 L=1.826×10-4…
Q: DETERMINATION OF WATER HARDNESS BY EDTA TITRATION 1. Why is it needed to add a pH 10 buffer to the…
A: Interpretation : We have to tell it is need to add a pH 10 buffer to sample during EDTA titration…
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- Sketch a photometric titration curve for the titration of Sn2+ with MnO4 . What color radiation should be used for this titration? Explain.Elaborate the reason why EDTA is used in many complexometric titrations. How will you be able to improve its selectivity when it comes to analyzing specific metals?Why is the solution containing the metal ion buffered before titrating with EDTA?
- Explain why calmagite and eriochrome black T would not work well as indicators for EDTA titrations in acidic solution. Would the same apply to xylenol orange and pyrocatechol violet?Explain the analogies between the titration of a metal with EDTA and the titration of a strong acid (H1) with a weak base (A2). Make comparisons in all three regions of the titration curve.b. EDTA cannot be used as a primary standard always. When can EDTA be used as a primarystandard ? Give reason why EDTA is used in complexometric titrations.
- 25.00 mL 0.01000 M Ni2+ is titrated with 0.01000 M EDTA in a solution buffered to pH 5.0. Given that the formation constant for the Ni-EDTA (NiY2–) chelate is 4.2 x 1018 and the 4 value at pH 5.0 is 3.54 x 10–7. What is EDTA?What is the equivalence volume when 0.0500 M EDTA is titrated with 100.0 mL of 0.0500 M Mn+ buffered to a pH of 9.00?The Zn in a 0.7556-g sample of foot powder was titrated with 21.27 mL of 0.01645 M EDTA. Calculate the percentage of Zn in this sample. A silver nitrate solution contains 14.77 g of primary-standard grade AgNO3 in 1.00 L. What volume of this solution will be needed to react with 0.2631 g of NaCl.
- 0.4545 g CaCO3 was dissolved in HCl and the resulting solution was diluted to 0.25 L. Twenty-five mL aliquot of this solution required 35.2 mL of EDTA upon performing titrimetric analysis. Determine the molarity of EDTAWhich of the following statements is TRUE about EDTA titration? A. Eriochrome black T is a titrant in EDTA titration B. EDTA titration can be used in the quantification of metals. C. EDTA titration is pH independent D. EDTA gives a sharper endpoint compared to a unidentate ligand. E. EDTA combines with metal in 1:6 ratio.Calculate the PCa vs. EDTA titration curve for 50.0 mL of 0.0060 M Ca2+ being titrated with 0.0150 M EDTA in a solution buffered to a constant pH of 10.00. After the addition of 0.00 mL After the addition of 26.0 mL