Answered: What color do you expect for cresol…

Science

Chemistry

What color do you expect for cresol purple at pH 1.0, 2.0, and 3.0?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter21: Potentiometry

Section: Chapter Questions

Problem 21.9QAP

See similar textbooks

Related questions

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: Discuss the 3 ways you could determine the completion of a coulometric titration

Q: Which are TRUE for the use of indicators with dichromate? Dichromate is orange and changes color to…

A: Please find the below attachment. Please rate if it is helpful for you. Thank you.

Q: About the conditional formation constant, it is possible to state: a) The conditional formation…

A: Conditional formation constants used to predict the complexing power of a chelating agent, in…

Q: (b) In the pH metric titration, calomel and glass electrodes are used for measuring. What are the…

A: (b) Given: calomel and glass electrodes in pH metric titrations. To find: other electrodes used to…

Q: 3. What color would I expect a solution of chromate ions to be after I add an excess of acid?…

A: The ion which can change its color when the medium is changed from acidic to basic or vice versa,…

Q: What volumes of 0.100 M acetic acid and 0.100 M sodium acetate would be required to produce 1.00 L…

Q: Assuming complete dissociation of the salts, calculate the ionic strength of (a) 0.2 mM KNO3; (b)…

A: a.

Q: CEC measurement did this calculation provide? C resulting from permanent charge on clays cal CEC at…

Q: 1. In the tests for Cl and SO4, explain fully why the addition of acid will dissolve other insoluble…

A: Strong acids are able to dissolve salts of weak acids. Lets consider different salts of silver:…

Q: The equilibrium constant for the proton transfer reaction of acetic acid 1.8 × 10–5 . Calculate the…

A: For the given reaction, the equation for equilibrium constant can be written as below.

Q: Will phthalimide dissolve in aqueous sodium bicarbonate?

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: 5. Write the equation for assay of thiopental sodium substance. Give the value of stoichiometric…

Q: If red and green solutions were mixed would you expect an orange color result?

A: Red solution + green solution = yellow solution We would not expect an orange color result.

Q: Estimate the fractional composition of EDTA at pH=10.36.

A: The concentration of hydrogen ion, H+, in the solution of pH 10.36 is;…

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: What is meant by the salting out effect? Illustrate.

A: Salting out effect : Most of the protiens are less soluble at high salt concentrations, this effect…

Q: Prepare a Potential Diagram for pH=1.0 and 10.0 based on the following Selenium Pourbaix Diagram.…

A: Given: A potential diagram is prepared based on the pH = 1.0 and 10.0 following the Selenium…

Q: What will be the result (description of appearance) of Tennessine and Potassium bromide solution

A: Tennessine : Tennessine is a synthetic chemical element with the symbol Ts and atomic number 117.…

Q: Describe in details how youwould prepare the following solutions, i. 1L of 0.10M NaoH using sodium…

A: 1 M means 0.1 mol NaOH in 1 L of solution. Mass of NaOH = Moles × Molar mass…

Q: what are the pKa value os trisodium arsenate to calculate pH at second equivalence point?

Q: Upon the test of Cadmium ion, a black precipitate was obtained rather than a yellow precipitate.…

A: In the problem we need to speculate the black precipitate that was obtained instead of yellow upon…

Q: 4. The molar absorptivities of the indicator weak acid HIn (K₁ = 1.42 x 105) and its conjugate base…

Q: what titrant will you use in preparing a substance with a pH of 7(green) whereupon the addition of…

A: Bromothymol blue is a pH indicator which is used to measure substances that have a neutral pH. It is…

Q: For water having a total alkalinity of 1.00x10^-3 mol/L and a pH of 10.34 what is the percentage…

A: Given: Total alkalinity of water = 1.00 × 10-3 mol/L pH = 10.34

Q: pH Color of Thym 3.47 6.53 11.12 0.64

A: Thymol blue, Bromocresol green and phenolphthalene are pH indicator which change their color to show…

Q: An alkaline sample of sodium compounds weighing 1.196 g was dissolved in water, cooled at 15 deg C,…

A: Alkaline compounds of sodium may involve sodium hydroxide (NaOH), sodium bicarbonate (NaHCO3) and…

Q: Explain why in Mohr's method neutral medium should be used in titration of AgNO3?

A: Mohr's method is the method to determine the chloride ion concentration of a solution by titration…

Q: Why wouldn't you expect to see the purple color upon testing pure acid?

A: An acid is a chemical substance that furnishes hydrogen ion such as H+ ions on dissociation in the…

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: Why is it not necessary to know the exact volume of deionized water added when preparing the samples…

A: Since we know the volume and concentration of the acid or base taken for the titration hence the…

Q: Give information about the structure of EDTA and the titrations with EDTA (indicators used,…

A: Titration is the slow addition of one solution of a known concentration to a known volume of another…

Q: 1. What is the role of chromate ions in chloride determination? 2. Why pH range is important in…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A solution turns blue when treated with bromocresol green, colorless when tested with…

Q: An unknown salt X reacts with hot conc. H2SO4 to produce a brown coloured gas which intensifies on…

A: Reaction with conc.H2SO4 to produce a brown gas is a common test for nitrates . The brown gas…

Q: An EDTA solution was prepared by dissolving approximately 4g of the disodium salt in approximately…

A: The number of moles of a substance is the ratio of the mass of a substance per molar mass of the…

Q: Explain briefly What would happen to the total hardness if the solution was buffered to pH 13.00?

A: As per the rules, only the first question can be answered.

Q: The indicator phenolphthalein may be regarded as a weak monobasic acid. Explain briefly why the…

A: Monobasic acid: The acid which gives one H+ ion in the solution. While the indicator is a substance…

Q: How to prepare 1L of 0.5mM PBS buffer at pH 7 using sodium phisphate monobasic, sodium phosphate…

A: A buffer solution is a solution which resist a change in its pH on the addition of small amount of…

Q: Which species is responsible for the formation of blue/green color of the solution using red cabbage…

A: Please find your solution below : The red cabbage anthocyanin indicator is weakly acidic in nature.…

Q: (b) In the pH metric titration, calomel and glass electrodes are used for measuring. What are the…

A: The answer is given below:

Q: (i) Plot the species distribution diagram for chloro complexation of lead (Pb) based on the log of…

Q: 5. Write the equation for assay of thiopental sodium_substance. Give the value of stoichiometric…

A: Sodium thiopental works as a general anaesthetic and it is one of the most widely used barbiturate…

Q: 2.) Phosphorus in urine can be determined by treating with molybdenum(VI) and then reducing the…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 2. (a) How would you compare the Lewis acidity of Fe2+ and Cu?+? (b) The measured pka values for…

A: Lewis acids are the species which accepts pair of electron and Lewis bases donate a pair of…

Q: You are planning to determine the concentration of acid in vinegar by titration with a suitable…

A: Vinegar contains acetic acid, which is a weak acid.

Question

What color do you expect for cresol purple at pH 1.0, 2.0, and 3.0?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

4b please answer (predict the outcome and explain briefly
What will you observe when:(i) Red litmus is introduced into a solution of sodium sulphate.(ii) Methyl orange is added to dil HCl.(iii). Blue litmus is introduced into a solution of ferric chloride
(8) Answer each of the following questions: (a) Ka for HNO2 is 4.6 x 10-4. What is the Kb for its conjugate base ? (b) Calculate the pH of 0.1 M of HNO2 solution using the ka above.
What recommendations can you give in titration of mixed alkali?
7. Draw out the chemical equations of the carbonic acid / bicarbonateequilibrium system, explain how the system responds to increase acidity.
Part II. Arrange the following compounds in order of increasing basicity. Part III. Determine if the oxide is acidic or basic.
Like any equilibrium constant, Kᵥᵥ changes with tempera-ture. (a) Given that autoionization is endothermic, how does Kᵥᵥ change with rising T? Explain with a reaction that includes heatas reactant or product. (b) In many medical applications, the value of Kᵥᵥ at 37°C (body temperature) may be more appropri-ate than the value at 25°C, 1.0X10⁻¹⁴. The pH of pure water at 37°C is 6.80. Calculate Kᵥᵥ, pOH, and [OH] at this temperature.
explain anharmonicity.
Fe3+ undergoes four separate hydrolysis reactions in solution. Log Kh for each reaction is as follows: log Kh1 = -5; log Kh2 = -10; log Kh3 = -15; log Kh4 =-20. Which species of Fe would be most prevalent in water with a pH between 5.5-7?
write a series of equations to illustrate the reaction
You are planning to determine the concentration of acid in vinegar by titration with a suitable base. The container of vinegar states that the acetic acid concentration in the vinegar is 10%.Suggest a suitable titration to carry out this determination (note all reagents) and estimate the amount of 0.01 mol/l alkali solution that you will require for your class group (assuming 3 titrations by 10 students). Indicate the alkali solution that you will use.
7. Sodium nitrite with antipyrine solution and hydrochloric acid forms? A) Emerald green coloration B) Blue staining C) Brown sediment. D) White sediment E) Blue-violet coloration