11. ALCOHOLS, PHENOLS AND ETHERS

11. ALCOHOLS, PHENOLS AND ETHERS


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 :

Classify the following as primary, secondary

Classify the following as primary, secondary

Ans. (i) Primary,
(ii) Primary,
(iii) Primary,
(iv) Secondary
(v) Secondary
(vi) Tertiary


Q. 3. Name the following compounds according to IUPAC system :

Name the following compounds according to

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 :

Name the following compounds according to

Give equation of the following


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 Treating phenol with cholorform in presence of aqueous CH3CH3CH2COOH
1-propanol                                     Propanoic acid

(ii) A mixture of o-bromo phenol and p-bromo is formed.

mixture of o-bromo phenol and p-bromo is formed.

(iii) A mixture of o-nitrophenol and p-nitrophenol is formed.

A mixture of o-nitrophenol and p-nitrophenol is formed

(iv) Salicylaldehyde formed.

Salicylaldehyde formed.


Class 12th Chemistry Short Type Question English

S.N CHEMISTRY SHORT TYPE QUESTION 2022
1 SOLID STATE 
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
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