Match List-I with . List-I Name of reaction List-II Reagent used A Hell-Volhard Zelinsky reaction I NaOH + I 2 B Iodoform reaction II ( i ) CrO 2 Cl 2 , CS 2 ( ii ) H 2 O C Etard reaction III ( i ) Br 2 / red phosphorus ( ii ) H 2 O D Gatterman-Koch reaction IV CO , HCl , anhyd . AlCl 3 Choose the correct answer from the options given below:

A → III ; B → I ; C → II ; D → IV

A → I ; B → II ; C → III ; D → IV

A → III ; B → II ; C → I ; D → IV

A → III ; B → I ; C → IV ; D → II

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Aromatic carboxylic acids undergo electrophilic substitution reactions in which the ______ group acts as a deactivating and meta-directing group.

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Important Questions on Aldehydes, Ketones and Carboxylic Acids

EASY

Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

Which of the following gives Hell-Volhard-Zelinsky (HVZ) reaction?

EASY

Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

The correct structure of the product

‘ P ’

in the following reaction is

Asn - Ser + \underset{(excess)}{{({CH}_{3} CO)}_{2} O} \overset{{NEt}_{3}}{\to} P

EASY

Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

Question Image

The correct order of their reactivity towards hydrolysis at room temperature is:

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

Acetic anhydride reacts with diethyl ether in the presence of anhydrous

{AlCl}_{3}

to give

HARD

Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

Considering the reaction sequence given below, the correct statement(s) is(are)

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EASY

Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

Among the following the lowest

pKa

value is of

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

The major product of nitration of benzoic acid is

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

Write short notes on: Hell-Volhard-Zelinsky (HVZ) reaction

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

Propanoic acid undergoes

HVZ

reaction to give chloropropanoic acid. The product obtained is

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

Which of the following derivatives of alcohols is unstable in an aqueous base?

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

Ethanoic acid undergoes Hell-Volhard Zelinsky reaction but Methanoic acid does not, because of

EASY

Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

Give the chemical equation for the reaction of ${CH}_{3} COOH$ with following:

${LiAlH}_{4}$

HARD

Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

Match List-I with .

List-I Name of reaction		List-II Reagent used
$A$	Hell-Volhard Zelinsky reaction	$I$	$NaOH + I_{2}$
$B$	Iodoform reaction	$II$	$(i) {CrO}_{2} {Cl}_{2}, {CS}_{2} (ii) H_{2} O$
$C$	Etard reaction	$III$	$(i) {Br}_{2} / red phosphorus (ii) H_{2} O$
$D$	Gatterman-Koch reaction	$IV$	$CO, HCl, anhyd . {AlCl}_{3}$

Choose the correct answer from the options given below:

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

Given below are two statements :
Statement I : Ethyl pent-

4

-yn-oate on reaction with

{CH}_{3} MgBr

gives a

3 °

-alcohol.
Statement II : In this reaction one mole of ethyl pent-

4

-yn-oate utilizes two moles of

{CH}_{3} MgBr

.
In the light of the above statements, choose the most appropriate answer from the options given below :

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Chemical Properties of Carboxylic Acids

Given below are two statements, one is labelled as Assertion $A$ and the other is labelled as Reason $R$ .
Assertion $A$ : A solution of the product obtained by heating a mole of glycine with a mole of chlorine in presence of red phosphorous generates chiral carbon atom.
Reason $R$ : A molecule with