What is the iodine indicator test used for? Describe in detail how iodine works in a reaction and what results are produced

Q: The reaction in Fohl’s test will cause the formation of what compound? What type of reaction happens…

A: Fohl's test is the biochemical test of proteins for the detection of presence of Aminoacids with…

Q: Given Sorbitol, Briefly explain its expected reaction (based on their structural formula) to the…

A: Molisch's test is the specific test for Carbohydrates which give purple colour ring on addition of…

Q: Write the materials,  reagents, Principle and  procedure for the Periodic acid Schiff technique

A: Answer: STAINING = It is the method to colorize the smear or transparent tissue or cells in order to…

Q: What is the purpose of doing the silver nitrate test? Write the chemical equation involved here

A: Introduction:  Silver nitrate is an inorganic compound and its formula is AgNO3 with a molar mass…

Q: A biochemist discovers and purifies a new enzyme, generating the purification table below. Procedure…

A: Specific activity of an enzyme can be calculated by dividing the number of unit by its concentration…

Q: tion chromatography separates chemicals base on their differences in

A: Chromatography is a technique that is used for the separation of various mixtures.  Depending upon…

Q: A carbohydrate sample reacts positively with all test reagents except for Lugol's. The sample could…

A: The sample could be possibly Sucrose.

Q: A buffer can protect against changes in pH when hydrogen ion or hydroxide ion is added to a reaction…

A: Buffer solution is two types, Acidic buffer - this is composed of a weak acid and it's conjugate…

Q: Provide a chemical test/reagent that would differentiate each of the following pairs of compounds.…

A: Asked : Reagent and indication of positive test

Q: Which of the following reagents can be used in the reaction in the photo? A.) pyridinium…

A: The oxidation of secondary alcohol to ketones is an important oxidation reaction in organic…

Q: The test for starch in water is   A. silver nitrate.   B. iodine.   C. barium ions.   D.…

A: Starch is a homopolysaccharide molecule that was composed of alpha-D-glucose units in 1-4 and 1-6…

Q: what are the principle chemical reaction involved in each test?

A: The primary, secondary and tertiary alcohols react with hydrogen halides in a different manner and…

Q: What will you observe when samples of these fats and oils are tested for unsaturation with bromine…

A: Fatty acids are building blocks of fats. Fats are one of the major biomolecules. Fatty acids can be…

Q: Provide the Principles and detailed procedures of the following tests for the "Color Reaction of…

A: Hopkins - cole test Principle -In this test , concentrated H2So4 cause dehydration of tryptophan…

Q: What are the possible interferences or complications in detecting and differentiating aldehydes and…

A: Before scientists developed tools such as x-ray crystallography and other spectrophotometric…

Q: Draw/illustrate the chemical reaction involved in Lugol’s test and explain the purpose of this…

A: Carbohydrates are polymer molecules that are composed of monosaccharide molecules. Monosaccharides…

Q: Discuss the properties of potassium iodide solution, and how it results in the detection of starch.…

A: Starch is a complex polysaccharide that is made of glucose units joined together by beta glycosidic…

Q: When conducting a flame test for sodium iodide, is the result positive or negative?

A: An ionic compound is one that is formed between a metal or metalloid and a non-metal. A Flame test…

Q: Plain soaps have what level of germicidal activity?

A: This question is based on action of the plain soap.

Q: 45. The Ames test measures the of compounds and utilises the

A: Ames test it is a biological assay to assess the mutagenic potential of chemical compounds. It…

Q: Give at least two (2) chemical tests for amino acids/ proteins other than what were performed in…

A: There are several other tests to determine properties of proteins and amino acids present in a…

Q: What non-titrimetric method can be used to determine the iodine value of edible oil? Discuss its…

A: Triglycerides are found in fats and oils. Fatty acyl esters join three fatty acids to glycerol to…

Q: What is the fluid thioglycollate medium? Please explain the testing and its results and the…

A: Microbiology laboratory uses various kinds of culture media to identify the biochemical…

Q: PRODUCTS. Match the name of the product with the biochemical reaction. Products may be used more…

A: Biochemical reactions occurs inside the cell and are mediated by enzymes. They can be…

Q: What is the difference between biochemical, pharmaceutical, and diagnostic chemical reactions?

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

Q: Give the color of the chicken liver (glycogen) mixed with Lugol's iodine solution in these…

A: Iodine test is used to differentiate mono- or disaccharides from some polysaccharides like glycogen,…

Q: What two factors affect the spontaneity of a reaction?

A: The two factors which effect the spontaneous of a reaction are  Enthalpy Change (∆H) Entropy Change…

Q: What is radioactivity? What does it mean for an atom to beradioactive?

A: Atoms are the smallest particle of material. Atoms are composed of subatomic particles such as…

Q: Given Raffinose, Briefly explain its expected reaction (based on their structural formula) to the…

A: Raffinose is a trisacharide made by three monosacharide units galactose Glucose and fructose.…

Q: What is the reagent used to detect glucose in the ph and temperature experiments? What is its…

A: Presence of Glucose is detected using Benedict's Test, Fehling's Test, and Barfoed's Test. Presence…

Q: Complete the table below regarding the different laboratory tests done for Carbohydrates. Only for…

A: There are different types of tests to check the presence of carbohydrates in different chemical…

Q: Write down the materials , reagents ,instruments,  principle and procedure for Grocott’s hexamine…

A: The Grocott's hexamine silver stain is used to demonstrate fungi. It is a part of histopathology…

Q: How do I find the optimal temperature for the iodine and starch experiment?

A: The optimal temperature for a particular enzyme is the temperature at which the enzyme attains…

Q: Name at least two alternative chemical tests that can be performed to characterize functional…

A: Organic compounds usually can be divided into two parts: a reactive part; functional group and alkyl…

Q: Which of the following balanced chemical equations pertains to the chemical reaction involved in…

A: Calcium hydroxide is the chemical with formula CaOH. This is formed when calcium oxide ,CaO react…

Q: A biochemist discovers and purifies a new enzyme, generating the purification table below. Procedure…

A: Enzymes are biological protein molecules that accelerate chemical reactions. Enzymes can be purified…

Q: Given ß- Cyclodextrin Briefly explain its expected reaction (based on their structural formula) to…

A: Cyclodextrin is a class of oligosaccharide that contains a macrocyclic ring of glucose subunits…

Q: Given Tagatose, Briefly explain its expected reaction (based on their structural formula) to the…

A: The Molisch's test, Fehling's test, and Bial's test are the qualitative tests for carbohydrates. In…

Q: Given Raffinose, Briefly explain its expected reaction (based on their structural formula) to the…

A: Raffinose is a trisaccharide of glucose, galactose and fructose in which glucose acts as a bridge…

Q: Is this an drawing of the chemical reaction involved in Lugol’s test?

A: Carbohydrates are molecules that include carbon, hydrogen, and oxygen and have the formula (CH2O)n.…

Q: Match the qualitative test results to the sample identity in the table below. Give its structure and…

A: Biomolecules are organic compounds produced by living organisms. They play important function as…

Q: Instead of Molisch's test, what specific test can be used to detect the presence of pentose sugar?…

A: Molisch's test are used for the detection of carbohydrate.

Q: How does the results of the pH meter and the pH paper compare with each other?

A: pH is the concentration of hydrogen ions present in the given solution. The determination of the pH…

Q: Explain the effects of the following changes on reactant and product  concentrations:

A: A chemical reaction is a process that leads to the chemical transformation of one set of chemical…

Q: Discuss the results and observations in a regular laboratory experiments the denaturation of: 1.…

A: Denaturation is the process, in which the protein loses its functions due to the change in the…

Q: Discuss the results and observations in a regular laboratory experiments the denaturation of:   1.…

A: 1) Acetone and proteins: organic solvents with the mutual attraction of nonpolar groups.…

Q: A positive result for the Ninhydrin test yields a deep blue or violet-blue color of the soluti more…

A: Ninhydrin test is a chemical test performed to detect the presence of amines or amino acids.

Q: based on safety information for the use of Ethidium Bromide solution and SybrSafe™. What makes…

A: SybrSafe is used to visualise DNA in agarose gel. Ethidium bromide (EtBr) is also used to visualise…

Q: What is the driving force behind paper chromatography?

A: Chromatography is a laboratory method of separating the mixture into individual components. It…