Physical Chemistry
Some Basic Concepts of Chemistry
MCQ (Single Correct Answer)
Chemical Equilibrium
MCQ (Single Correct Answer)
Inorganic Chemistry
Periodic Table and Periodicity
MCQ (Single Correct Answer)
Chemical Bonding and Molecular Structure
MCQ (Single Correct Answer)
Hydrogen and It's Compounds
MCQ (Single Correct Answer)
d and f Block Elements
MCQ (Single Correct Answer)
Coordination Compounds
MCQ (Single Correct Answer)
Environmental Chemistry
MCQ (Single Correct Answer)
Organic Chemistry
IUPAC Nomenclatures
MCQ (Single Correct Answer)
General Organic Chemistry
MCQ (Single Correct Answer)
Haloalkanes and Haloarenes
MCQ (Single Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehyde and Ketone
MCQ (Single Correct Answer)
Carboxylic Acids and Its Derivatives
MCQ (Single Correct Answer)
Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
Practical Organic Chemistry
MCQ (Single Correct Answer)
1
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

4-methyl benzamide (A) on reaction with ethanolic solution of $$\mathrm{KOH}$$ and bromine gives another compound (B). The compound (B) on treatment with benzoyl chloride gives compound (C). Identify the correct structure of compound (C) from the following.

A
COMEDK 2024 Afternoon Shift Chemistry - Carboxylic Acids and Its Derivatives Question 3 English Option 1
B
COMEDK 2024 Afternoon Shift Chemistry - Carboxylic Acids and Its Derivatives Question 3 English Option 2
C
COMEDK 2024 Afternoon Shift Chemistry - Carboxylic Acids and Its Derivatives Question 3 English Option 3
D
COMEDK 2024 Afternoon Shift Chemistry - Carboxylic Acids and Its Derivatives Question 3 English Option 4
2
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

A sweet smelling organic compound $$[\mathrm{A}]\left(\mathrm{C}_9 \mathrm{H}_{10} \mathrm{O}_2\right)$$ undergoes acid hydrolysis to form an acid [B].
Compound [B] further reacts with Ammonia followed by heating to yield [C].
Compound $$[\mathrm{C}]$$ when reacted with $$\mathrm{Br}_2$$ in caustic potash gave compound $$[\mathrm{D}]\left(\mathrm{C}_6 \mathrm{H} 7 \mathrm{~N}\right)$$ which gives a white precipitate with aqueous $$\mathrm{Br}_2$$.
Identify compounds $$[\mathrm{A}]$$ & $$[\mathrm{D}]$$

A
A: Methyl Pentanoate D: N-methylpentanamine
B
A: Methyl benzoate D: Aniline
C
A: Ethyl benzoate D: Aniline
D
A: Ethyl heptanoate D: N-ethylbutanamine
3
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the product [D] formed when Reactant [A] $$(M M 78 \mathrm{~g} / \mathrm{mol})$$ undergoes the series of reactions shown

COMEDK 2024 Morning Shift Chemistry - Carboxylic Acids and Its Derivatives Question 6 English

A
Benzoic acid
B
m-Cresol
C
p-Cresol
D
o-Cresol
4
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following compounds would not be expected to decarboxylate when heated?

A
COMEDK 2023 Morning Shift Chemistry - Carboxylic Acids and Its Derivatives Question 9 English Option 1
B
COMEDK 2023 Morning Shift Chemistry - Carboxylic Acids and Its Derivatives Question 9 English Option 2
C
COMEDK 2023 Morning Shift Chemistry - Carboxylic Acids and Its Derivatives Question 9 English Option 3
D
COMEDK 2023 Morning Shift Chemistry - Carboxylic Acids and Its Derivatives Question 9 English Option 4
COMEDK Subjects