Class-12th Subject- Chemistry
Unit-07 Alcohol, Phenol & Ether
10 Year Question for class 12 MP Board Students From 2013 to 2023
2013
1. What is Lucas reagent? Distinguish between primary secondary
and tertiary alcohol by Lucas reagent
OR
Alcohol and phenol both are contain OH group. Phenol show acidic
in nature but alcohol is neutral in nature why
2014
1. Distinguish between primary secondary and tertiary alcohol by
Victor Meyer Method?
OR
Following compound obtained from phenol
(i) 2,4,6-Tribromophenol
(ii) 2,4,6-Trinitrophenol
(iii) Benzene
(iv) Ortho and Para Cresol
2015
1. Write difference between alcohol and phenol
OR
The boiling point of alcohol is high to corresponding alkanes
Phenol show acidic in nature but alcohol is neutral in nature why
2016
1. Distinguish between primary secondary and tertiary alcohol by
Victor Meyer Method?
OR
Following compound obtained from phenol
(i) 2,4,6-Tribromophenol
(ii) Picric Acid
2017
1. Write difference between alcohol and phenol
OR
Explain the following
(i) Lucas reagent (ii) Reimer Tiemann reaction
2018
1. Give the reason
(i) Boiling point of alcohol are higher than Ether
(ii) Pure phenol is a colorless solid but it convert into pink
after sometime by placing of an in the air give chemical reaction
OR
What do you understand by
dehydration of alcohol explain its mechanism
2019
1. Write the difference between alcohol and phenol
OR
How to distinguish
between alcohol and dithyl Ether
2020
1. Explain the following chemical equation
(i) Remer Tiemann reaction (ii) Kolbe reaction
OR
Write difference between
alcohol and phenol
2021
1. Why propanol has higher boiling point than corresponding
alkane?
OR
What happen when diethyl ether react with HI acid? Explain with
chemical reaction.
2022
1. Write only chemical equation for the following conversion
(i) Ethanol to diethyl ether
(ii) diethyl Ether to ethanol
(iii) Ethanol to ethyl acetate
OR
Write difference between
phenol and alcohol
2023
1. Write only chemical equation of following reactions
(i) Alkyl halide react with sodium alkoxide
(ii) Phenol heated with zinc powder
(iii)Ethyl alcohol is treated with sulphuric acid at 413 K
OR
Write the structure of
following compound
(i) 4-chloro-2,3 dimethyl pentane-1-ol
(ii) 2-ethoxy propane
(iii) 2,6 dimethyl phenol
