What is the product obtained when Br\(_2\) water reacts with glucose?
Show Hint
- Gluconic acid
- Saccharic acid
- 1, 6-dibromo glucose
- Bromhexane
The Correct Option is A
Solution and Explanation
When glucose reacts with bromine water, it undergoes oxidation to form gluconic acid. This is a common reaction of glucose with oxidizing agents like bromine.
Step 2: Analyzing the options.
(A) Gluconic acid: Correct — Gluconic acid is formed as a result of oxidation of glucose by bromine water.
(B) Saccharic acid: This is not the product of this reaction.
(C) 1, 6-dibromo glucose: This is incorrect; bromine does not add across the glucose molecule in this reaction.
(D) Bromhexane: This is an incorrect product.
Step 3: Conclusion.
The correct answer is (A) Gluconic acid.
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(D) Methanol, Conc. H\(_2\)SO\(_4\) Replacement of a hydrogen atom in a hydrocarbon by an alkoxy or carboxyl group yields a class of compounds known as ethers. Ethers are classified as symmetrical or unsymmetrical on the basis of groups attached to the oxygen atoms. Diethyl ether, a symmetrical ether, has been widely used as an inhalation anesthetic. Ethers can be prepared by acid catalyzed intermolecular dehydration of alcohols and Williamson's synthesis. Acid catalyzed dehydration of alcohols is not generally preferred as it gives a mixture of elimination and substitution products. In Williamson's synthesis, an alkyl halide is allowed to react with sodium alkoxide. Ethers containing substituted Alkyl groups may also be prepared by this method. The C-O bond in ether is weakly polar and is cleaved under drastic conditions with excess of hydrogen halides. In electrophilic substitution, the alkoxy group deactivates the aromatic ring and directs the incoming group to ortho and para positions.
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IUPAC name of the given ether is:
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