Exams › JEE Main › Chemistry

Which one of the following diols undergoes periodate cleavage with HIO4 to give two separate fragments?

1. 1,3-hexanediol
2. 2,4-hexanediol
3. 1,6-hexanediol
4. 3,4-hexanediol

Correct answer: 3,4-hexanediol

Solution

3,4-hexanediol has hydroxyl groups on adjacent carbon atoms, allowing periodate to cleave the carbon-carbon bond between them, resulting in two separate fragments. In contrast, the other diols do not have the necessary structural arrangement for this type of cleavage.

Related JEE Main Chemistry questions

• Why is ortho-nitrophenol less soluble in water than the meta- and para-nitrophenol isomers?
• Which of the following structures represents vinylcarbinol?
• Which of the following is NOT a starting material used for the preparation of iodoform?
• Iodoform is formed from all of the following except:
• Which reagent can convert CH3CH2OH into CH3CHO?
• Which reagent can be reacted with phenylmagnesium bromide to obtain 2-phenylethanol?

⚔️ Practice JEE Main Chemistry free + battle 1v1 →