What is methylated spirit or denatured alcohol?

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 33

What is 'Power alcohol'?

HARD

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 34

Why can't rectified spirit be converted into absolute alcohol by simple distillation?

HARD

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 35

Name any two reagents used for bringing about the oxidation of alcohols.

HARD

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 36

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

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 ${\mathrm{C}}_7{\mathrm{H}}_8\mathrm{O}$ which on treatment with ${\mathrm{Br}}_2$ water readily gives a precipitate of ${\mathrm{C}}_7{\mathrm{H}}_5{\mathrm{OBr}}_3$.

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.