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Organic Chemistry For IIT-JEE Vol-3

Aldehydes, Ketones and Carboxylic Acids

Organic Chemistry For IIT-JEE Vol-3

Pearson

Publisher:

Pearson

Subject:

Chapter 1: Basics of Organic Chemistry

175 questions

Chapter 2: Alkanes, Alkenes and Alkynes

106 questions

Chapter 3: Benzene and Phenols

134 questions

Chapter 4: Alcohols, Alkyl Halides and Haloarenes

100 questions

Chapter 5: Aldehydes, Ketones and Carboxylic Acids

115 questions

Chapter 6: Amines, Aminoacids and Peptides

80 questions

Chapter 7: Carbohydrates, Polymers and Practical Organic Chemistry

61 questions

Chapter 5 : Aldehydes, Ketones and Carboxylic Acids

Pearson

Topic List

questions: 115

Verified solutions and explanations

Verified

Hard (2)

Question 61

The acylating species in the Friedel-Crafts acylation of benzene to give acetophenone is

$CH_{3} - C \equiv O^{\oplus}$
$AlCl_{4}$
$CH_{3} - C \oplus = O \leftrightarrow$
$CH_{3} - CCCl \oplus - O - AlCl ⊖$

Topic:

Aldehydes, Ketones and Carboxylic Acids

Book:

Organic Chemistry For IIT-JEE Vol-3 (Pearson)

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Question 62

Malonic acid on heating at

430 K

yields

formic acid
succinic acid
acetic acid
lactic acid

Topic:

Aldehydes, Ketones and Carboxylic Acids

Book:

Organic Chemistry For IIT-JEE Vol-3 (Pearson)

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Question 63

The reagent that can be used to distinguish between pentan-2-one and pentan-3-one

$Zn - Hg / HCl$
$SeO_{2}$
$I_{2} / NaOH$
$KMnO_{4} / H_{2} SO_{4}$

Topic:

Aldehydes, Ketones and Carboxylic Acids

Book:

Organic Chemistry For IIT-JEE Vol-3 (Pearson)

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Question 64

The reaction of ethanoyl chloride with sodium ethanoate gives

Ethyl ethanoate
ethanoic anhydride
Butane-2,3-dione
sodium 3-oxobutanoate

Topic:

Aldehydes, Ketones and Carboxylic Acids

Book:

Organic Chemistry For IIT-JEE Vol-3 (Pearson)

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Question 65

The compound (B) in the above reaction is

$HOOC - (CH_{2})_{4} - COOH$

Topic:

Aldehydes, Ketones and Carboxylic Acids

Book:

Organic Chemistry For IIT-JEE Vol-3 (Pearson)

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Question 66

Dry distillation of calcium benzoate will give

acetophenone
benzophenone
benzaldehyde
2-phenyl ethanol

Topic:

Aldehydes, Ketones and Carboxylic Acids

Book:

Organic Chemistry For IIT-JEE Vol-3 (Pearson)

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Question 67

2-Pentanone can be converted to butanoic acid by reaction with

Fehling's solution
$HCN / H_{3} O^{+}$
$H_{2} NNH_{2}, KOH / H_{3} O^{+}$
$NaOH, I_{2} / H_{3} O^{+}$

Topic:

Aldehydes, Ketones and Carboxylic Acids

Book:

Organic Chemistry For IIT-JEE Vol-3 (Pearson)

View solution

Question 68

2-Pentanone can be converted to butanoic acid by reaction with

Fehling's solution
$HCN / H_{3} O^{+}$
$H_{2} NNH_{2}, KOH / H_{3} O^{+}$
$NaOH, I_{2} / H_{3} O^{+}$

Topic:

Aldehydes, Ketones and Carboxylic Acids

Book:

Organic Chemistry For IIT-JEE Vol-3 (Pearson)

View solution

Question 69

The product formed by the reaction of ethyl acetate with sodium ethoxide is

ethyl acetoacetate
ethyl propionate
Propane-2, 3-dione
3-oxobutanal

Topic:

Aldehydes, Ketones and Carboxylic Acids

Book:

Organic Chemistry For IIT-JEE Vol-3 (Pearson)

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Question 70

The strongest acid among the following is

$C_{6} H_{5} COOH$
$CH_{3} COOH$
$m - CH_{3} O_{6} H_{4} COOH$
$p - CH_{3} OC_{6} H_{4} COOH$

Topic:

Aldehydes, Ketones and Carboxylic Acids

Book:

Organic Chemistry For IIT-JEE Vol-3 (Pearson)

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Question 71

Hard

(A)

(i) 1 (ii)

H_{3} O^{+}

(B)

Δ

CC1CCCC1=O
The structure of (A) is

Topic:

Aldehydes, Ketones and Carboxylic Acids

Book:

Organic Chemistry For IIT-JEE Vol-3 (Pearson)

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Question 72

The reaction of cyclohexanone with

NaOH

under hot conditions gives

Topic:

Aldehydes, Ketones and Carboxylic Acids

Book:

Organic Chemistry For IIT-JEE Vol-3 (Pearson)

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Question 73

The product

(A)

in the above reaction is

Topic:

Aldehydes, Ketones and Carboxylic Acids

Book:

Organic Chemistry For IIT-JEE Vol-3 (Pearson)

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