The reactivity of compound Z with different halogens under appropriate conditions is given below: The observed pattern of electrophilic substitution can be explained by

The electronic effect of the phenolic group

The electronic effect of the tert-butyl group

MEDIUM

Earn 100

Which reagents are used to convert phenol to methoxy benzene.

Important Questions on Alcohols, Phenols and Ethers

HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

Phenol reacts with methyl chloroformate in the presence of

NaOH

to form product

A . A

reacts with

{Br}_{2}

to form product

B . A and B

are respectively

MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

Which of the following compounds will not be soluble in sodium bicarbonate?

HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

Phenol on treatment with

C O_{2}

in the presence of NaOH followed by acidification produces compound X as the major product. X on treatment with

{(C H_{3} C O)}_{2}

O in the presence of catalytic amount of

H_{2} S O_{4}

produces:

MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

The organic compound that gives following qualitative analysis is:

	Test	Inference
$(a)$	$D i l . H C l$	Insoluble
$(b)$	$N a O H s o l u t i o n$	Soluble
$(c)$	$B r_{2} / w a t e r$	Decolourization

HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

In the following reaction, the product(s) formed is/are:

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HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

The reactivity of compound Z with different halogens under appropriate conditions is given below:
Question Image

The observed pattern of electrophilic substitution can be explained by

EASY

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

Which one of the following substituents at para-position is most effective in stabilizing the phenoxide Question Image

ion ?

EASY

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

Match the following $pKa$ values.

	Acid		$pKa$
(a)	Phenol	(i)	$16$
(b)	$p$ -Nitrophenol	(ii)	$0.78$
(c)	Ethanol	(iii)	$10$
(d)	Picric acid	(iv)	$7.1$

HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

The major product(s) of the following reaction is/are:

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MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

Which one of the following is the most acidic compound?

HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

The major products of the following reaction are:
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HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

The major product of the following reaction is:

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MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

What will be the major product when m-cresol is reacted with propargyl bromide

(H C \equiv C - C H_{2} B r)

in presence of

K_{2} C O_{3}

in acetone?

HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

The increasing order of the $p K a$ values of the following compounds is:
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MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

Which of the following will not be soluble in sodium hydrogen carbonate?

MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

Which of the following substituted phenols is the strongest acid?

HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

A solution of phenol in chloroform when treated with aqueous

NaOH

gives compound

P

as a major product. The mass percentage of carbon in

P

is ______ .

HARD

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

What is the product "C" after following reactions -

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MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

The acid which contains both -OH and -COOH groups is

MEDIUM

Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

Arrange the following compounds in order of decreasing acidity :
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Which reagents are used to convert phenol to methoxy benzene.

Important Questions on Alcohols, Phenols and Ethers

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