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Among the following, which is the least acidic?

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Important Questions on Alcohols, Phenols and Ethers

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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

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

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

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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:

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

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

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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

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 ?

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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 ______ .

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

The compound which reacts with excess bromine to produce 2, 4, 6 - tribromophenol, is

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

Which one of the following is the most acidic compound?

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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?

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

Arrange the following compounds in order of decreasing acidity :
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Chemistry>Organic Chemistry>Alcohols, Phenols and Ethers>Chemical Properties of Phenols

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

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

The major products of the following reaction are:
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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)	$7.1$

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

In the reaction,

C_{6} H_{5} OH \overset{NaOH}{⟶} (A)

\frac{{CO}_{2}}{140 ° C, (4 - 7) atm} (B) \overset{HCl}{⟶} (C),

the compound

(C)

is:

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

Which of the following substituted phenols is the strongest acid?

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

What is the product "C" after following reactions -

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

The major product of the following reaction is:

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

The functional group which is formed when Phenol is made to react with Chloroform in the presence of dilute Sodium hydroxide

Among the following, which is the least acidic?

Important Questions on Alcohols, Phenols and Ethers

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