Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

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What happens when ethanol reacts with ${PBr}_{3}$ ?

Important Questions on Alcohols, Phenols and Ethers

MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

An unknown alcohol is treated with the "Lucas reagent" to determine whether the alcohol is primary, secondary or tertiary. Which alcohol reacts fastest and by what mechanism:

EASY

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

Consider the following reaction,

C_{2} H_{5} O H + H_{2} S O_{4} \to P r o d u c t

Among the following, which one cannot be formed as a product under any conditions?

MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

Which of the following reaction(s) can be used for the preparation of alkyl halides?

I. $C H_{3} C H_{2} O H + H C l \overset{A n h y d . Z n C l_{2}}{\to}$

II. $C H_{3} C H_{2} O H + H C l ⟶$

III. ${(C H_{3})}_{3} C O H + H C l ⟶$

IV. ${(C H_{3})}_{2} C H O H + H C l \overset{A n h y d . Z n C l_{2}}{\to}$

MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

The major product in the following reaction is

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MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

Out of t-butyl alcohol and n-butanol, which one will undergo acid catalyzed dehydration faster and why ?

MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

Which of the following compounds will most readily be dehydrated to give alkene under acidic condition?

HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

In the following reaction sequence, the correct structure(s) of X is (are)

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HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

The major product of the following reaction
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MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

The compound

A, C_{8} H_{10} O,

is found to react with

N a O I

(produced by reacting

Y

with

NaOH

) and yields a yellow precipitate with a characteristic smell.

A

and

Y

respectively, are

EASY

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

Which of the following compounds does NOT undergo haloform reaction?

MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

The major product expected from the following reaction is:
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MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

Write mechanism of the following reaction :

$C_{2} H_{5} OH \to_{443 K}^{H_{2} {SO}_{4}} {CH}_{2} = {CH}_{2} + H_{2} O$

MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

An organic compound having molecular formula

C_{2} H_{6} O

undergoes oxidation with

K_{2} {Cr}_{2} O_{7} / H_{2} {SO}_{4}

to produce

X

which contains 40% carbon, 6.7% hydrogen and 53.3% oxygen. The molecular formula of the compound

X

is

EASY

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

The most suitable reagent for the conversion of

R - {CH}_{2} - OH \to R - CHO

is :

MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

The major product of the following reaction is

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EASY

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

Which of the following can be used to test the acidic nature of ethanol?

HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

The major product of the following reaction is:
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MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

Oxygen-containing organic compound upon oxidation forms a carboxylic acid as the only organic product with its molecular mass higher by

14

units. The organic compound is

HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

How do you convert the following :
Ethanol to Propan-2-ol

HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Reactions of Alcohols

Predict the major product of acid catalysed dehydration of 1-methylcyclohexanol.