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What is the chemical test to differentiate between Ethanal and Propanone?
The iodoform test is a chemical test that can differentiate between ethanal and propanone. Ethanal will give a positive iodoform test result, forming a yellow precipitate of iodoform (CHI3) when treated with iodine in the presence of a base like NaOH. Propanone will not give a positive iodoform test result.
How is a positive test for phenols using ferric chloride recognized?
A positive test for phenols using ferric chloride is recognized by the formation of a colored complex. When phenols react with ferric chloride, a deep purple or blue color indicates the presence of phenols. This color change occurs due to the formation of an iron-phenol complex.
Is the DNA test result positive or negative?
The DNA test result is positive.
What color is positive test result for glucose?
A positive test result for glucose is typically indicated by a color change to green, orange, or red, depending on the specific test method used.
Does phenol give a positive biuret test?
No, phenol does not give a positive biuret test. The biuret test is used to detect the presence of proteins, not phenol. Phenol is a type of organic compound that does not contain the peptide bonds that the biuret test reacts with.
