1
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two statements, one Assertion (A) and the other Reason (R) are given. Choose the correct option.

Assertion: 2-aminoethanoic acid and p-aminobenzene sulphonic acid can exist as Zwitter ions while p-aminobenzoic acid cannot.

Reason: When the acid group is a relatively strong proton donor and the $-\mathrm{NH}_2$ group is sufficiently basic it can accept a $\mathrm{H}^{+}$ion from the acid group to form the dipolar ion.

A
Both A and R are correct and R is the correct explanation of A .
B
A is correct but R is wrong.
C
A is wrong but R is correct.
D
Both A and R are correct but R is not the correct explanation of A .
2
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two statements, One Assertion [ A ] and the other Reason [ R ] are given. Identify the correct option

Assertion $[A]$ : The decreasing order of the acidic character of the following is $B>D>A>C$

COMEDK 2025 Morning Shift Chemistry - Carboxylic Acids and Its Derivatives Question 4 English

Reason $[\mathbf{R}]$ : Fluorine has larger -I effect than Cl and Br .

A
A is correct but R is wrong.
B
Both A and R are correct and R is the correct explanation of A .
C
A is wrong but R is correct.
D
Both A and R are correct but R is not the correct explanation of A .
3
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the final product formed when Benzamide undergoes the following reactions:

COMEDK 2024 Evening Shift Chemistry - Carboxylic Acids and Its Derivatives Question 7 English

A
Acetanilide
B
Acetophenone
C
Aniline
D
Benzoic acid
4
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
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