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Coconut oil typically does not give a positive result in the Molisch test, as this test is designed to detect the presence of carbohydrates, particularly sugars. Coconut oil is primarily composed of fats and does not contain significant amounts of carbohydrates. Therefore, it generally does not react with the reagents used in the Molisch test.
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Will disaccharides and poly saccharides give a positive result to molisc test?
Yes, both disaccharides and polysaccharides will give a positive result in a Molisch test. The Molisch test detects the presence of any compound containing a significant amount of glycosidic bonds, which are present in both disaccharides and polysaccharides.
Why egg albumin gives the negative result for molisch test?
Egg albumin gives a negative result for the Molisch test because it does not contain carbohydrates. The Molisch test is used to detect the presence of carbohydrates, and since egg albumin consists mainly of proteins with little to no carbohydrates, it does not react with the reagents used in the Molisch test to give a positive result.
What group of substance that give positive reaction to molisch test?
Carbohydrates typically give a positive reaction to the Molisch test. This is because the Molisch reagent reacts with the carbohydrates to form a purple complex, indicating the presence of sugar molecules in the solution.
Why does glycoproteins reacts positively with Molisch reagent?
Glycoproteins give positive results for Molisch's test. This answer is true because Molisch test was a test for sugar.
Will disaccharides and polysaccharides give positive result for molisch test?
Yes they will. Disaccharides will give a positive result much quicker than polysaccharides, and it also depends on the conditions because they need to be dehydrated by an agent such as concentrated H2SO4 and it so happens that it is much easier to do so on a disaccharide than it is on the polysaccharide
What is a glycoprotein or mucoprotein and how would they respond to the Molisch test?
A glycoprotein or mucoprotein is a type of protein that contains carbohydrate groups attached to it. In the Molisch test, these glycoproteins would give a positive result by forming a purple ring when reacted with alpha-naphthol in concentrated sulfuric acid, due to the presence of carbohydrates in the structure. This is because the test is sensitive to the presence of pentoses, hexoses, and other carbohydrates.
Why do all sugar give a positive molisch's test?
All sugars give a positive Molisch's test because they contain hydroxyl (–OH) groups that can react with α-naphthol in the presence of sulfuric acid. This reaction leads to the formation of a purple-colored complex, indicating the presence of carbohydrates. Both monosaccharides and disaccharides, which are classified as carbohydrates, can participate in this reaction, resulting in a positive test. Thus, the test serves as a general indicator for the presence of sugars.
Why do disaccharides and polysaccharides give positive Molisch Test?
simply because they are carbohydrates, all carbohydrates produces positive result in molisch's test All carbohydrates i.e. monosacchardes, dissacharides and polysaccharides are dehydrated (lose water) by a dehydrating agent (e.g. Sulphuric acid) they form aldehydes known as furfurral. The furfurral reacts with a component known as 1- naphthol present in Molisch reagent resulting in a reddish violet colour forming between the Reagent and the previous mixture of the carbohydrate and thedehydrating agent. It is important to note that the reaction is more rapid with simple sugars or monosaccharides
Did gelatin give positive result with xanthoprotic test?
yes,it give positive test
What are positive and negative controls in an experiment?
Positive controls : an experimental treatment that will give the desired result Negative controls: An experimental treatment that will NOT give the dersired result.
What is the chemical basis of molisch test?
basis of molisch testMolisch's Test is a sensitive chemical test for the presence of carbohydrates, based on the dehydration of the carbohydrate by sulfuric acid to produce an aldehyde, which condenses with two molecules of α-naphthol, though other phenols (e.g. resorcinol, thymol) also give colored products) resulting in a purple-colored compound (indicated by appearance of a purple ring at the interface between the acid and test layers).
Will superpump250 give a positive drug test result?
No
