NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 21

HARD

12th West Bengal Board

IMPORTANT

Earn 100

What is the function of anhydrous ${ZnCl}_{2}$ in Luca's test?

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 22

How primary, secondary and tertiary alcohols differ in their reaction with Luca's reagent (

1 : 1

mixture of

HCl

and anhydrous

{ZnCl}_{2}

).

MEDIUM

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 11 - Alcohols, Phenols and Ethers>REVIEW EXERCISES>Q 23

How will you distinguish between propan-

1

-ol and propan-

2

-ol by a chemical test?

MEDIUM

12th West Bengal Board

IMPORTANT

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

How will you distinguish between methanol and ethanol?

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 ${CH}_{3} CH = CH - {CH}_{2} OH$