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 9 English Option 1
B
COMEDK 2024 Afternoon Shift Chemistry - Carboxylic Acids and Its Derivatives Question 9 English Option 2
C
COMEDK 2024 Afternoon Shift Chemistry - Carboxylic Acids and Its Derivatives Question 9 English Option 3
D
COMEDK 2024 Afternoon Shift Chemistry - Carboxylic Acids and Its Derivatives Question 9 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 12 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 15 English Option 1
B
COMEDK 2023 Morning Shift Chemistry - Carboxylic Acids and Its Derivatives Question 15 English Option 2
C
COMEDK 2023 Morning Shift Chemistry - Carboxylic Acids and Its Derivatives Question 15 English Option 3
D
COMEDK 2023 Morning Shift Chemistry - Carboxylic Acids and Its Derivatives Question 15 English Option 4
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