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What observed when the sulfuric acid is added in the molisch test?
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What is the purpose of Molisch's test?
Molisch's Test (named after Austrian botanist Hans Molisch) 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 phenol (usually α-naphthol, though other phenols (e.g. resorcinol, thymol) also give colored products) resulting in a red- or purple-colored compound.
What acid Is added to sugar to make carbon?
Sulfuric acid is added to sugar to make carbon
Is sulfuric acid a mixture compound or a element?
Sulfuric acid is a compound
What is the chemical basis of the iodine and Molisch's test?
The iodine test: the ion I3(-) react with starch forming a blue color.Molisch test: dehydrated saccharides (with sulfuric acid) form an aldehyde whic react with a phenol an a red color is obtained.
Is sulfuric acid an alkali metal?
No. Sulfuric acid is an acid. The alkali metals are metallic elements.
What is the importance of Molisch's test performed on carbohydrates?
Molisch's Test is a chemical test for the presence of carbohydrates, based on the dehydration of the carbohydrate by sulfuric acid to produce an aldehyde. Its importance is that it tests the presence of carbohydrates based on their dehydration,
What is the purpose of Molisch's test?
Molisch's Test (named after Austrian botanist Hans Molisch) 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 phenol (usually α-naphthol, though other phenols (e.g. resorcinol, thymol) also give colored products) resulting in a red- or purple-colored compound.
What is the principle of molisch test?
principle of molisch's testIt's based on the dehydration of the carbohydrate by sulfuric acid to produce an aldehyde, which condenses with two molecules of α-naphthol,resulting in appearance of a purple ring at the interface between the acid and test layers.
What is molisch?
Molisch's Test refers to a chemical test used to test for carbohydrate existence. This is done using carbohydrate dehydration with hydrochloric or sulfuric acid to create aldehydes. These condense a couple phenol molecules to produce purple or red compounds.
What acid Is added to sugar to make carbon?
Sulfuric acid is added to sugar to make carbon
What will happen if sulfuric acid is added with water?
Adding sulfuric acid to water is the recommended way of working to avoid accidents.
What happens if sulfuric acid is added in phenolphthalein?
Nothing.
Why is sulphuric acid added with a measuring cylinder?
- because sometimes we need to know exactly the volume of sulfuric acid - also because sulfuric acid is corrosive and dangerous
What is the name of H2SO4 acid?
sulfuric acid or sulphuric acid
When do you put sulfuric acid in pools?
Sulfuric acid is added in pools to control the pH of the water; many specialists don't recommend the use of H2SO4.
What will happened if Hydrochloric acid is used instead of sulfuric acid in molisch test?
Hydrochloric contains a high ratio of water so two different layers are not formed and a brown colouration is produced rather than a brown ring.
What happens to sulfuric acid added with zinc?
hydrogen gas evolved
