HARD
12th West Bengal Board
IMPORTANT
Earn 100

What is the main product obtained when vapours of t-butyl alcohol are passed over copper at 573 K?

Important Questions on Alcohols, Phenols and Ethers

MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 37
Why boiling points of phenols are higher than those of the corresponding aromatic hydrocarbons and alkyl halides?
HARD
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 38
Give one reaction to show that phenol is acidic in a character.
HARD
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 39
Name the phenol with molecular formula C7H8O which on treatment with Br2 water readily gives a precipitate of C7H5OBr3.
EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 40
Phenol is an acid but does not react with sodium bicarbonate solution.
EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 41
Name the major product formed when sodium phenoxide is heated with CO2 at 400 K under 4-7 atm. pressure. What is the name of the reaction?
EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 42
Phenol is heated with chloroform and NaOH at 340 K. What is the product formed? Also give the name of the reaction involved.
EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 43
How many sigma bonds are present in 3-methylphenol?
EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 44
What is an enzyme? Name two enzymes used in the preparation of alcohol from sucrose.