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Is it important to heat the test tube in a boiling water bath each time the Benedict's test for glucose is carried out?
Wiki User
∙ 12y ago
Yes, reaction won't go at room temperature.
Wiki User
∙ 12y ago
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What is the boiling point of glucose dissolved in water?
If 180g glucose is present in one litre of solution then boiling point is 100.52 Celsius.
Where is glucose produced?
It is produced by photosynthesis .It is carried out in chloroplasts.
Why does 0.300 M KCl have a higher boiling point that 0.500 M glucose?
KCl is an ionic compound and glucose is a molecular compound. Ionic compounds have higher boiling points than molecular compounds.
How the boiling point of glucose is determined?
It cannot be determined because glucose will already deteriorate/decompose at lower temperature. Melting point is for: α-D-glucose: 146 °C (295 °F; 419 K) β-D-glucose: 150 °C (302 °F; 423 K)
Why does sucrose not react to Benedicts when glucose and fructose its components do?
Fructose and glucose are joined by their glycosidic bond in such a way as to prevent the glucose isomerizing to aldehyde, or the fructose to alpha-hydroxy-ketone form. This stops it reacting to Benidict's reagent. However sucrose indirectly produces a positive result with Benedict's reagent if heated with dilute hydrochloric acid prior to the test, although after this treatment it is no longer sucrose. ;-)
What does Benedicts reagent do?
It tests for glucose.
What is benedicts solution used to find?
Glucose
If benedicts reagent turns red what substance is present?
the sugar glucose
What color is benedicts solution when mixed with bread?
because it contains glucose
What are the Benedicts test results for glucose?
the solution will turn a 'brick red' colour if positive but will stay blue if negative.
Would raffinose react with benedicts reagent?
Benedicts reagent tests for reducing sugars, so the question is, is raffinose a reducing sugar. Raffinose is a trisaccharide made up of glucose, fructose and galactose. It is not a reducing sugar because all of its anomeric carbons are bonded, so it will not react with benedicts reagent.
What is the boiling point of glucose dissolved in water?
If 180g glucose is present in one litre of solution then boiling point is 100.52 Celsius.
Will hydrolysed dextrine give positive response to Benedict test?
Yes, it should. Benedicts test will be positive for reducing sugars, and since glucose is such a sugar, and would be a product of dextrin hydrolysis, you should get a positive result with Benedicts reagent.
What is the freezing and boiling point to glucose?
Melting (freezing) point: α-D-glucose: 146 °C β-D-glucose: 150 °C Glucose will decompose already below its boiling point, so there's no valued boiling point (at least not at normal pressure).
Glucose is carried in which part of the blood?
Glucose is carried in the blood plasma.However, glucose can affect hemoglobin, and a test, glycolated hemoglobin, can be used to gauge average plasma glucose level over long periods of time
Is there glucose in starch?
The fluxcapasator is carried over the 2 and that equals glucose. Yes, there is glucose in starch.
Where is glucose carried?
up your vag
