HARD
12th West Bengal Board
IMPORTANT
Earn 100

Write the mechanism of hydration of ethene to form ethanol.

Important Questions on Alcohols, Phenols and Ethers

EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 3
Phenol is an acid but does not react with sodium bicarbonate.
EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 3
2-Nitrophenol boils at a lower temperature than 3-nitrophenol.
MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 4
You are given benzene, conc. H2SO4 and NaOH. Write the equation for the preparation of phenol using these reagents.
MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 5
Why absolute ethyl alcohol cannot be obtained by simple fractional distillation of a mixture of alcohol and water?
MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 6
Why tertiary alcohols react less rapidly with metallic sodium than do primary alcohols?
MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 7
Explain the fact that in aryl alkyl ethers the alkoxy group activates the benzene ring towards electrophilic substitution.
EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 7
Explain the fact that in aryl alkyl ethers it directs the incoming substituents to ortho and para-positions in the benzene ring.
HARD
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 8

When 3 -methylbutan-2-ol is treated with HBr, the following reaction takes place.