Which type of indicator is used in trilonometric (“complexonometric") titration metallochrome indicator; irreversible Red/Ox indicator; adsorption indicator; reversible Red/Ox indicator;
Q: Enumerate at least 3 specific medical applications of complexometric titration and discuss each.
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Q: An unknown sample containing mixed alkali (NaOH, NaHCO3, or Na,CO3) was analyzed using the double…
A: Answer - The correct option is - NaHCO3 and Na2CO3 Solution - pH - pH, historically denoting…
Q: Calculate the percentage mass of the possible alkaline component/s.
A:
Q: Double Indicator Titration Double indicator Titration of 1.000g powdered sample containing either…
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Q: For the complexiometric titration of Ca2 + ions in the shell of the egg sample weighing 62,576 g,…
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Q: All of the following regarding Argentometric titration are correct except: a. Chromate indicator is…
A: Argentometric titration :
Q: Assuming complete dissociation of the salts, calculate the ionic strength of (a) 0.2 mM KNO3; (b)…
A: 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: DURING NITRITOMETRIC TITRATION, THE ADDITION OF CHLORIDE ACID (HCI) TO THE REACTION MIXTURE…
A: Nitritometry is the method based on the reaction which occurs in the acidic medium as follows:…
Q: Briefly explain why the sparingly soluble product mustbe removed by filtration before you…
A: In Volhard's determination of the ions, the sparingly soluble ions must be removed by filtration…
Q: All of the following regarding Argentometric titration are correct except: a. Chromate indicator is…
A: Argentometry is a quantitative analytical technique to estimate the concentration of chloride ions…
Q: Jon 24 The colour exhibited by Bromo cresol indicator in acidic and basic medium is
A: Indicator have different colour in acidic and basic medium
Q: Elaborate the reason why EDTA is used in many complexometric titrations. How will you be able to…
A: complexometric titration (sometimes chelatometry) is a form of volumetric analysis in which the…
Q: Which are TRUE for the use of indicators with dichromate? I Dichromate is orange and…
A: Ans- A.I and II
Q: All of the following regarding Argentometric titration are correct except: a. Chromate indicator is…
A: Argentometric titration is a quantitative analysis method in which the concentration of an unknown…
Q: Which of the following will cause no change in the amount of Fe calculated from the results of an…
A: Iron can be estimated spectrophotometrically by complexing Fe2+ with o-phenanthroline.
Q: Which indicator is suitable for standardizing a potansium purmanganate solution using ammonium iron…
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Q: Why is Potassium Chromate used as the indicator in Mohr Method Determination of Chloride? Explain
A: Potassium Chromate used as the indicator in Mohr Method for determination of Chloride.
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A:
Q: a) What are the advantages and disadvantages of using potassium permanganate as a titrant?
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Q: What will happen if large quantities of indicator solution are used for the determination of pH by…
A: To explain: What happens if large quantities of indicator solution is used for the determination of…
Q: You are asked to determine the alkali present and the percentage of each in a component of a sample…
A: To find out the alkali present and the percentage of NaOH, Na2CO3 and NaHCO3 in the sample 3 and…
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Q: Differentiate the Fajans method from the Volhard method of precipitation titrimetry, Include key…
A: Precipitation titrations are a special type of titrimetric method involving the formation of…
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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…
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A:
Q: Which type of indicator is used in thiocyanate-metry metallochrome indicator; irreversible Red/Ox…
A: The correct option is given in next step:
Q: All of the following criteria must be met for a titrimetric analysis to be feasible EXCEPT:
A: The following is the fundamental concept of titration: A solution is applied to the sample to be…
Q: Triplicate samples of NaOH was found to have concentrations of 0.1444 M (Trial 1), 0.1107 M (Trial…
A: Introduction : Titration can be defined as the technique where a solution of known concentration is…
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Q: You are asked to determine the alkali present and the percentage of each in a component of a sample…
A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: . Fajan of halides end-point detection with Ag* ion are characterized by Formation of a red color of…
A: Fajan's method involves the argentometry titration in which we typically determine the amount of the…
Q: Change of indicators colour is related to the change of the .A Structure .B Intramolecular…
A:
Q: an accurately weighed chelometric standard calcium carbonate of 150 mg was used to standardize…
A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: The indicator phenolphthalein may be regarded as a weak monobasic acid. Explain briefly why the…
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Q: 7. 3.0g of impure anhydrous sodium carbonate was dissolved in water to make 250cm3 of solution.…
A: Answer: This question is based on stoichiometric calculation where we have to convert moles of HCl…
Q: OXIDATIVE-RESTORATION METHODS OF TITRIMETRY INCLUDE Choose one answer: a. complexonometry O b.…
A: Correct option is A.
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A:
Q: Which of the following statements is true regarding permanganimetry? a) Permanganate solution can…
A: Permanganate ion, MnO4-is an extremely strong oxidizing agent. It has the ability to oxidize water…
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- Which type of indicator is used in permanganatometry titrant plays role of indicator by itself; irreversible Red/Ox indicator; reversible Red/Ox indicator; metallochrome indicator;Which of the given statements are CORRECT for an indicator that ionizes as shown below (Ka=1.0 x 10-4)? (1) The predominant color in its acid range is yellow. (2) In the middle of the pH range of its color change a solution containing the indicator will probably be orange. (3) At pH = 7.00, a solution containing this indicator (and no other colored species) will be red. (4) At pH = 7.00, most of the indicator is in the un-ionized form. (5) The pH at which the indicator changes color is pH = 4.What are the common acid-base indicators for acidimetry-alkalimetry? Indicate the pH range and color change for each indicator.
- Na2CO3 served as the primary standard in a titration experiment. Find the molarity of the titrant given the following data in 3 decimal places. Show solutions Primary Standard Used: Na2CO3Formula Mass of 1º standard: 105.99 g/mol% purity of 1º standard: 95% Trial 1 2 3 1º Standard weight, g 0.1005 0.1001 0.0997 Net volume of HCl, mL 9.30 9.00 8.90 Molarity of HCl X1 X2 X3Which of the following statements are correct? K2CrO4 is used as an indicator in the argentometric titration Eosin is used as an indicator in the thiocyanometric titration K2Cr2O7 is used as an indicator in the argentometric titration Eosin is used as an indicator in the precipitation titrationWhich type of indicator is used in iodometry adsorption indicator; irreversible Red/Ox indicator; reversible Red/Ox indicator; metallochrome indicator;
- 50 mL sample solution containing Na2CO3 and NaOH is titrated with 0.2 M HCl solution. In the presence of phenolphthalein indicator, the acid consumption is 15 mL. Then, the titration is continued by adding bromocresol green indicator, and in the presence of this indicator, the acid consumption is 10 mL. Accordingly, which of the following is the amount of Na2CO3 (in grams) in the sample? (NaOH: 40 g / mol; NazCO3: 106 g / mol)An unknown solution is red with phenol red and colourless with thymolphthalein. From that information, predict the approximate pH range of the unknown solution, then determine the colour of the following indicators in that solution. Indicator thymol blue alizarin yellow R bromothymol blue Colour ◆ ◆ ◆Which type of indicator is used in Mohr`s method precipitation indicator irreversible Red/Ox indicator; titrant plays role of indicator by itself; reversible Red/Ox indicator;
- analytical chemistry. Given the following titration curve, what is the suitable indicator for this titration? a) thymolphthaline; pH range (9.3-10.5) b) bromothymol blue; pH range (6.2-7.6) c) Thymol blue; pH range (1.2-2.8) d) bromcresol green; pH range (4.1-5.4) e) phenolphthalein; pH range (8.6-10.2)Use acid-base titration to determine theconcentration of:– A strong acid: HCl 0.100 M NaOH (standardized)•0.100 M HCl0.100 M CH3COOH Phenolphthalein is used for endpoint determination– Changes from colourless to pink as a solution becomes more basic• Only need 2-3 drops per titration• pH range: 8.3-10A student used 9.925 x 10-2 mol/L hydrobromic acid to standardize an aqueous solution of potassium hydroxide and obtained the following titration data using phenolphthalein as an indicator: Concentration of HBr used: 9.925 x 10-2 mol/L Volume of HBr used: 25.00 mL Indicator: phenolphthalein Endpoint colour change: colorless to pale pink Table 1: Volume of Potassium Hydroxide Required Burette reading (mL) Trial 1 Trial 2 Trial 3 Final reading 29.28 36.62 43.98 Initial reading 1.78 9.28 16.62 Volume of KOH used (mL) Average of 2 closest values to within 0.10 mL: Questions Complete Inclosed table Write the molecular equation for the reaction that occurs between potassium hydroxide and hydrobromic acid. Calculate the molar concentration, in mol/L, of the aqueous potassium hydroxide.