Match the column-I with column-II and mark the appropriate choice. Column - I Column - II ( A ) Williamson’s synthesis ( i ) C 6 H 5 O H + C H 3 C O C l in presence of pyridine ( B ) R O R ' ( i i ) C 2 H 5 O N a + C 2 H 5 B r ( C ) p - Nitrophenol ( i i i ) Unsymmetrical ether ( D ) Acetylation ( i v ) Intermolecular hydrogen bonding

( A ) → ( i i ) , ( B ) → ( i i i ) , ( C ) → ( i v ) , ( D ) → ( i )

( A ) → ( i ) , ( B ) → ( i i i ) , ( C ) → ( i i ) , ( D ) → ( i v )

( A ) → ( i i i ) , ( B ) → ( i ) , ( C ) → ( i i ) , ( D ) → ( i v )

( A ) → ( i v ) , ( B ) → ( i ) , ( C ) → ( i i ) , ( D ) → ( i i i )

Conc. H 2 S O 4 heated with excess of C 2 H 5 O H at 14 0 o C to form

C H 3 - O - C H 2 - C H 2 - C H 3

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Write the reaction for the preparation of diethyl ether using dry silver oxide.

Important Questions on Alcohols, Phenols and Ethers

EASY

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

Write chemical equations to illustrate the following name reactions: Williamson’s synthesis.

MEDIUM

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

How will you obtain anisole from phenol.

EASY

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

When a mixture of ethanol and methanol is heated in the presence of concentrated

H_{2} S O_{4}

the resulting organic product or products is-are

EASY

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

Formation of diethyl ether form ethanol is based on a

EASY

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

Which of the following alcohols gives the best yield of dialkyl ether on being heated with a trace of sulphuric acid?

EASY

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

Methylphenyl ether can be obtained by reacting

MEDIUM

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

Match the column-I with column-II and mark the appropriate choice.

	Column - I		Column - II
$(A)$	Williamson’s synthesis	$(i)$	$C_{6} H_{5} O H + C H_{3} C O C l$ in presence of pyridine
$(B)$	$R O R^{'}$	$(i i)$	$C_{2} H_{5} O N a + C_{2} H_{5} B r$
$(C)$	$p -$ Nitrophenol	$(i i i)$	Unsymmetrical ether
$(D)$	Acetylation	$(i v)$	Intermolecular hydrogen bonding

MEDIUM

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

Ethers are prepared by the reaction of sodium alkoxides and alkyl halides. Which of the following reagents should be taken to prepare methyl tert-butyl ether?

HARD

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

Which of the following paths is/are feasible for the preparation of ether (A) ?

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

The major product of the following reactions is

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

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

α

-haloethers on reacting with a _____ will form the higher ethers.

MEDIUM

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

Identify the reagent for the given reaction:

${CH}_{3} - O - {CH}_{2} Cl + ? \overset{}{\to} {CH}_{3} - O - {CH}_{2} {CH}_{3} + Mg (Cl) I$

MEDIUM

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

The following reaction is:
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Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Preparation of Ethers

In the reaction

A r - O H + R x \overset{a l k a l i}{\to} A,

A is

EASY

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

Williamson's synthesis is used to prepare

EASY

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

Identify the ether ( $B$ ) formed from the below reaction:

$2 C_{2} H_{5} Cl + {Ag}_{2} O \overset{∆}{\to} B + 2 AgCl$

MEDIUM

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

An equimolar quantities of ethanol and propanol is heated with conc.

H_{2} S O_{4}

. The product formed is/are

MEDIUM

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

Methoxy ethane can be prepared by Williamson's ether synthesis. When Sodium _____ reacts with Methyl iodide in the presence of dry ether, we get our desired product.

HARD

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

Conc.

H_{2} S O_{4}

heated with excess of

C_{2} H_{5} O H

14 0^{o} C

to form

Write the reaction for the preparation of diethyl ether using dry silver oxide.

Important Questions on Alcohols, Phenols and Ethers

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