What samples gives a positive test with biuret test?

What samples gives a positive test with biuret test?
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1 Answer

Answer :

Biuret test is for peptide bonds.
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A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin (Q). Ozonolysis o

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A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin (Q). Ozonolysis o

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A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin (Q). Ozonolysis o

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What does biuret solution specifically react with to produce a color change?

Description : What does biuret solution specifically react with to produce a color change?

Last Answer : amino acids

What are the Reaction of amino acid using ninhydrin and biuret reagent?

Description : What are the Reaction of amino acid using ninhydrin and biuret reagent?

Last Answer : What is the answer ?

What does biuret solution specifically react with to produce a color change?

Description : What does biuret solution specifically react with to produce a color change?

Last Answer : amino acids

A protein reacts with biuret reagent which indicates 2 or more (A) Blood clotting (B) Peptide bond (C) Disulphide bonds (D) Hydrophobic bonds

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Biuret reaction is specific for (A) –CONH-linkages (B) –CSNH2 group (C) –(NH)NH2 group (D) All of these

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What is the disadvantage of biuret method?

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Last Answer : The sensitivity of the method is less and is un- suitable for estimation of proteins in milligram or microgram quantities.

What is the advantage of biuret method?

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Last Answer : The biuret method is simple one step process, and is the most widely used method for plasma pro- tein estimations.

What is biuret?

Description : What is biuret?

Last Answer : The name is derived from the compound biuret, a condensation product of two urea molecules, which also gives a positive color test.

What is the use of biuret reaction?

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Last Answer : This reaction can be used for qualitative identifi- cation and quantitative estimation of proteins.

What is biuret reaction?

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Last Answer : (B) Biuret formation

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Biuret formation in urea is kept at minimum (< 1 %), because it is (A) Corrosive in nature (B) Toxic and harmful to some crops (C) Helpful in decomposition of urea (D) Explosive in nature

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. Chemical formula of biuret is (A) NH2 .CO.NH2 (B) NH3 .COO.NH3 (C) NH2CONHCONH2 (D) NH4COONH2

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Dehydration of ammonium carbamate produces (A) Urea (B) Biuret (C) Ammonia water (D) None of these

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Lower temperature and large excess of ammonia in urea melt (A) Increases biuret formation (B) Decreases biuret formation (C) Is undesirable (D) Does not effect biuret formation

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Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done. (A) Increased biuret formation (B) High corrosion rate (C) Increased cost of equipment (D) All (A), (B) & (C)

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With increases in pressure, the conversion of Ammonium carbamate into urea (A) Increases (B) Decreases (C) Remains unaltered (D) Can either increase or decrease depends on biuret content

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What happens when urea is treated with hydrazine? (a) Biuret is formed (b) Semicarbazide is formed(c) Carbon dioxide and nitrogen is formed(d) Acetamide is formed

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