11. ALCOHOLS, PHENOLS AND ETHERS
11. ALCOHOLS, PHENOLS AND ETHERS
Download Q. 1. What is absolute alcohol ? How is it obtained ?
Ans. Absolute alcohol is 100% alcohol. It is obtained by azeotropic distilliation of mixture of alcohol and water.
Q. 2. Classify the following as primary, secondary and tertiary alcohols :
Ans. (i) Primary,
(ii) Primary,
(iii) Primary,
(iv) Secondary
(v) Secondary
(vi) Tertiary
Q. 3. Name the following compounds according to IUPAC system :
Ans. (i) 4-Chloro-3-ethyl-2-(1-methylethyl)-butan-1-ol
(ii) 2, 5-Dimethyl hexane-1, 3-diol.
(iii) 3-Bromocyclohexanol
(iv) Hex-1-en-3-ol.
(v) 2-Bromo-3-methyl but-2-en-1-ol
Q. 4. Write structures of the products of the following reactions :
Q. 5. Give equation of the following reactions :
(i) Oxidation of propan-1-ol with alkaline KMnO4 soultion.
(ii) Bromine in CS2 with phenol.
(iii) Dilute HNO3 with phenol.
(iv) Treating phenol with cholorform in presence of aqueous NaOH.
Ans.
(i) CH3CH2CH2OH 
CH3CH3CH2COOH
1-propanol┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬аPropanoic acid
(ii) A mixture of o-bromo phenol and p-bromo is formed.
(iii) A mixture of o-nitrophenol and p-nitrophenol is formed.
(iv) Salicylaldehyde formed.
Class 12th Chemistry Short Type Question English
| S.N | CHEMISTRY SHORT TYPE QUESTION 2022 |
| 1 | SOLID STATE┬а |
| 2 | SOLUTION |
| 3 | ELECTROCHEMISTRY |
| 4 | CHEMICAL KINETICS |
| 5 | SURFACE CHEMISTRY |
| 6 | GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS |
| 7 | THE P-BLOCK ELEMENTS |
| 8 | THE D- AND f-BLOCK ELEMENTS |
| 9 | CO-ORDINATION COMPOUNDS |
| 10 | HALOALKANES AND HALOARENES |
| 11 | ALCOHOLS, PHENOLS AND ETHERS |
| 12 | ALDEHYDES, KETONES AND CARBOXYLIC ACIDS |
| 13 | AMINES |
| 14 | BIOMOLECULES |
| 15 | POLYMERS |
| 16 | CHEMISTRY IN EVERYDAY LIFE |
