Alcohol

Some Important Questions of Alcohol

1. Write the structural formula of the alcohols having molecular formula C₄H₁₀O and arrange the isomers in decreasing order of boiling point.
2. Why is boiling point of ethanol is higher than methoxy ethane?
3. How is alcohol prepared by oxo process? Give its reaction with
   a. HCl and ZnCl₂ b. conc. H₂SO₄ at 170°C c. sodium d. Acetic acid
4. Give the oxidation product of Propan-1-ol and Propan-2-ol.
5. Which structural isomer of alcohol C4H10O cannot be dehydrogenated by copper at 300°C? Give its dehydration reaction?
6. What is fermentation? How is ethyl alcohol obtained by fermentation of sugar? What is alcoholic beverage?
7. Convert i. Propan-1-ol to Propan-2-ol
   ii. Propan-2-ol to Propan-1-ol
8. Why is methanol more acidic than ethanol?
9. Identify the products A and B in the following reaction.

CH_{3}CH_{2}OH\xrightarrow[]{P+I_{2}}A\xrightarrow[]{alc.\ KOH}B

10. Explain what happens when ethyl alcohol is allowed to react with conc. H₂SO₄ under different condition?
11. How is methanol converted into ethanol and vice-versa?
12. Sodium metal can be used for drying diethyl ether but not for ethanol. Why?
13. What are primary, secondary and tertiary alcohols? Give an example of each.
14. Convert: i. ethene to propan-1-ol ii. propan-2-ol into pseudonitrol iii. ethanol into nitrolic acid iv. propan-2-ol into 1-bromo propane
15. What happens when :
    a. Ethanol is treated with acetyl chloride in pyridine.
    b. Methanol is oxidized in presence of Cu.
    c. Ethanol is treated with conc. H₂SO₄ at i. 443K ii. 413K
16. Primary alcohol is more acidic than secondary alcohol, why?
17. Explain why alcohols show both acidic and basic properties?