Podcast
Questions and Answers
For the reaction of primary and secondary alcohols with HCl, what is required as a catalyst?
For the reaction of primary and secondary alcohols with HCl, what is required as a catalyst?
- ZnCl2 (correct)
- H2SO4
- H3PO4
- NaCl
What is the preferred reagent to replace the hydroxyl group of an alcohol with a halogen?
What is the preferred reagent to replace the hydroxyl group of an alcohol with a halogen?
- Thionyl chloride (correct)
- Phosphorus halides
- Concentrated HCl
- Concentrated halogen acids
How are good yields of R—I obtained from alcohols?
How are good yields of R—I obtained from alcohols?
- By heating with sodium or potassium iodide in 95% orthophosphoric acid (correct)
- By direct reaction with iodine gas
- By treating with iodine and water
- By refluxing with concentrated HI
What is used for preparing alkyl bromide through constant boiling?
What is used for preparing alkyl bromide through constant boiling?
What is usually generated in situ for the reaction with red phosphorus, bromine, and iodine?
What is usually generated in situ for the reaction with red phosphorus, bromine, and iodine?
Describe the reaction of an alcohol with thionyl chloride. What are the products formed and why is thionyl chloride preferred for this reaction?
Describe the reaction of an alcohol with thionyl chloride. What are the products formed and why is thionyl chloride preferred for this reaction?
How is alkyl bromide prepared and what reagent is used for this process?
How is alkyl bromide prepared and what reagent is used for this process?
What is the catalyst required for the reaction of primary and secondary alcohols with HCl? How is the reaction of tertiary alcohols with HCl conducted?
What is the catalyst required for the reaction of primary and secondary alcohols with HCl? How is the reaction of tertiary alcohols with HCl conducted?
What method is used to obtain good yields of R—I from alcohols? Describe the process involved.
What method is used to obtain good yields of R—I from alcohols? Describe the process involved.
Explain the order of reactivity of alcohols with a given haloacid.
Explain the order of reactivity of alcohols with a given haloacid.
