1
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the final product $$[\mathrm{D}]$$ formed when Benzyl alcohol undergoes the following series of reactions

$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{OH}+\mathrm{SOCl}_2 \rightarrow[\mathrm{A}]+\mathrm{KCN} \rightarrow[\mathrm{B}]+\mathrm{H}_3 \mathrm{O}^{+} \text {(partial hydrolysis) } \rightarrow[\mathrm{C}]+\mathrm{H}_3 \mathrm{O}^{+} \text {(complete hydrolysis) } \rightarrow[\mathrm{D}]$$

A
4-Chlorobenzoic acid
B
Benzoic acid
C
2-Chlorobenzoic acid
D
2-Phenylethanoic acid
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 3 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 6 English Option 1
B
COMEDK 2023 Morning Shift Chemistry - Carboxylic Acids and Its Derivatives Question 6 English Option 2
C
COMEDK 2023 Morning Shift Chemistry - Carboxylic Acids and Its Derivatives Question 6 English Option 3
D
COMEDK 2023 Morning Shift Chemistry - Carboxylic Acids and Its Derivatives Question 6 English Option 4
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