Tollens’ test is one of the tests used to distinguish between aldehydes and ketones. This test is mostly given by the compounds containing the aldehyde group. As a silver mirror is produced at the end of the reaction due to the formation of silver metal, it is also called a silver mirror...
Fehling’s solution can also be used to test for the presence of aldehydes and ketones. In this case, the aldehyde or ketone will react with the copper (II) sulphate in the solution to produce copper(I) acetate and sodium sulphate. The copper(I) acetate is yellow, so if it forms in...
Ans : As Fehling’s test cannot be used for aromatic aldehyde, hence benzaldehyde does not give Fehling’s Test...Read full Does sucrose reduce Fehling’s solution? Ans : Sucrose does not reduce Fehling’s solution because it does not have a free aldehyde or ketone group...Read full Why...
Out of all the given options, onlysucrosewill not give a positive test as it is a disaccharide and does not contain free aldehyde or ketone group, the rest three sugars will give positive test. Though lactose and sucrose are both disaccharides, lactose has reducing properties but sucrose does ...
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