NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 24

MEDIUM

12th West Bengal Board

IMPORTANT

Earn 100

How will you distinguish between methanol and ethanol?

Important Questions on Alcohols, Phenols and Ethers

HARD

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 25

Discuss briefly, the relative rates of reaction of

HBr

with respect to primary, secondary and tertiary alcohols.

HARD

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 26

Which of the isomeric butyl alcohols gives the iodoform test?

MEDIUM

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 27

Arrange the compounds

A

to

D

which have roughly the same molecular weight in order of decreasing boiling points.
(A)

{CH}_{3} {CH}_{2} CH (OH) {CH}_{2} {CH}_{2} {CH}_{3}

(B)

{CH}_{3} {({CH}_{2})}_{5} {CH}_{3}

(C)

{CH}_{3} {CH}_{2} C (OH) {({CH}_{3})}_{2}

(D)

{CH}_{3} {({CH}_{2})}_{5} OH

HARD

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 28

How will you distinguish between the following pairs of alcohols by a chemical test:

${CH}_{2} = {CHCH}_{2} OH$ and ${CH}_{2} = CH - {CH}_{2} {CH}_{2} OH$

HARD

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 28

How will you distinguish between the following pairs of alcohols by a chemical test

${CH}_{3} {({CH}_{2})}_{3} OH$ and ${CH}_{3} CH = CH - {CH}_{2} OH$

EASY

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 29

What is rectified spirit?

EASY

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 30

What is absolute alcohol?

EASY

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 31

What is usually added to ethyl alcohol to make it unfit for drinking purposes?