12th Chemistry Important Questions Unit 11 Hydroxy Compounds and Ethers

TN 12th Chemistry Important Questions Unit 11 Hydroxy Compounds and Ethers. 12th Chemistry Important Questions Chapter 11. +2 Chemistry Important 2 Marks, 12th Chemistry Important 3 Marks, Chemistry Important 5 Marks Questions Based on reduced Syllabus 2021-2022. 12th Free Online Test (MCQs). HSC 12th Chemistry Revision Test Important Questions. 12th Tamil Full Guide.

12th Chemistry Important Questions Unit 11 Hydroxy Compounds and Ethers

12th Chemistry All Units Important Questions

11. Hydroxy Compounds and Ethers 

• Draw the major product formed when 1-ethoxyprop-1-ene is heated with one equivalent of HI
• 2. Suggest a suitable reagent to prepare secondary alcohol with identical group using Grignard reagent.
• 3. What is the major product obtained when two moles of ethyl magnesium bromide is treated with methyl benzoate followed by acid hydrolysis.
• 4. Predict the major product, when 2-methyl but -2-ene is converted into an alcohol in each of the following methods. (i.) Acid catalysed hydration (ii.) Hydroboration (iii.) Hydroxylation using bayers reagent
• 5. Arrange the following in the increasing order of their boiling point and give a reason for your ordering (i.) Butan – 2- ol, Butan -1-ol, 2 –methylpropan -2-ol (ii.) Propan -1-ol, propan -1,2,3-triol, propan -1,3 – diol, propan -2-ol
• 6. Can we use nucelophiles such as NH3 ,CH3O – for the Nucleophilic substitution of alcohols
• 7. Is it possible to oxidise t – butyl alcohol using acidified dichromate to form a carbonyl compound.
• 8. What happens when 1-phenyl ethanol is treated with acidified KMnO₄.
• 9. How is phenol prepared form i) chloro benzene ii) isopropylbenzene
• 10. Explain Kolbe‟s reaction
• 11. Write the chemical equation for Williamson synthesis of 2-ethoxy – 2- methyl pentane starting from ethanol and 2 – methyl pentan -2-ol
• 12. Write the structure of the aldehyde, carboxylic acid and ester that yield 4-methylpent-2-en-1-ol.
• 13. What is metamerism? Give the structure and IUPAC name of metamers of 2-methyoxypropane
• 14. How are the following conversionseffected i) benzylchloridetobenzylalcohol ii) benzyl alcohol to benzoic acid
• 15. 0.44g of a monohydric alcohol when added to methyl magnesium iodide in ether liberates at STP 112 cm³ of methane with PCC the same alcohol form a carbonyl compound that answers silver mirror test. Identify thecompound.
• 16. Convert Propylene –> Isopropyl alcohol
• 17. How will you prepare primary alcohol from Grignard reagent?
• 18. How will you prepare Secondary alcohol from Grignard reagent?
• 19. How will you prepare t-butyl alcohol from Grignard reagent?
• 20. Convert Acetaldehyde –> Ethylalcohol
• 30. Convert Acetone –> Isopropylalcohol
• 31. How will you distinguish the primary, secondary and tertiary alcohols by Lucas Test?
• 32. How will you distinguish the primary, secondary and tertiary alcohols by Victor Meyer‟s method?
• 33. How will you prepared primary alcohol byHydroboration?
• 34. Convert Ethyl alcohol –> Ethylene
• 35. Write Nucleophilic substitution reaction involve in ethy lalcohol
• 36. Write Nucleophilic substitution reaction involve in tertiary alcohol
• 37. .Write a note on Saytzeff‟s rule
• 38. Write a note on Swern oxidation
• 39. Convert Ethylene –> Ethyleneglycol
• 40. Convert Ethyleneglycol –> Ethylene
• 41. Convert Ethyleneglycol –> Acetaldehyde
• 44.ConvertEthyleneglycol –> Dioxane
• 45.Explain oxidation of ethyleneglycol
• 46.Explain oxidation of glycerol
• 47. How will you prepare glycerol from long chain fatty acids?
• 48. How will you prepare the following compounds from glycerol? a, acrolein b,trinitroglycerol
• 49. Write a note on Dow‟sprocess
• 50. Convert Benzene sulphonic acid to Phenol
• 51. How will you prepare Phenol from Benzene?
• 52. How will you prepare the following compounds from Phenol? a, Benzene b, Anisole c,Aniline
• 53. Write a note on Schotten-Baumann reaction
• 54. Write a note on Williamson ether synthesis
• 55. How will you prepare the following compouns from Phenol? a, Picric acid b,2,4,6-tribromophenol.
• 56. Write a note on Kolbe‟s (or) Kolbe‟s Schmit reaction
• 57. Write a note on Phthalein reaction (or) how will you prepare phenolphthalein from Phenol
• 58. Write a note on Riemer – TiemannReaction
• 59. Write a note on Coupling reaction 60.Differenciate Alcohol and Phenol?
• 60. How will you prepare diethylether from the following compounds ? a,Ethylalcohol b,Grignardreagent c, Ethyliodide
• 61. Convert Diazomethane to dimethylether
• 61. How will you prepare the following compounds from diethylether? a, diethylperoxide b,ethylacetate
• 64.Anisole + Acetylchloride –> ?
• 65.Anisole + Bromine water –> ?
• 66.Explain Nitration of Anisole
• 67.Anisole + Methyl chloride –> ?
• 68. How will you convert Glycerol into Acrolein?
• 69. Give four uses of diethyl ether.
• 70. The C – O – C bond angle of ether is slightly greater than the tetrahedral bond angle. Why?
• 71. An Organic Compound C₂H₆O (A) heated with Con.H2SO4 at 443K to give an unsaturated hydrocarbon C₂H₄ (B), which on treatment with Bayer‟s reagent to give Compound C₂H₆O₂ (C). which is used as antifreeze in automobile radiator. Compound (C) distilled with Con.H2SO4 to give cyclic compound C4H8O (D). Compound (A) is heated with Con. H₂SO₄ at 413K to give compound C₄H₁₀O (E) . Identify Compounds (A) to (E) and write equations.