CBSE-CLASS-XII SERIES Chemistry
Carboxylic Acids
6 previous year questions.
Volume: 6 Ques
Yield: Medium
High-Yield Trend
1
2025 5
2024 Chapter Questions 6 MCQs
01
PYQ 2024
medium
chemistry ID: cbse-cla
Assertion (A): The pK of O N–CH –COOH is lower than that of CH –COOH. Reason (R): The –NO group shows an electron-withdrawing effect, which increases the acidic character of O N–CH –COOH.
1
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3
Assertion (A) is true, but Reason (R) is false
4
Assertion (A) is false, but Reason (R) is true.
02
PYQ 2024
medium
chemistry ID: cbse-cla
Which one of the given compounds is a stronger acid and why?
CH FCH COOH or CH CHFCH COOH
CH FCH COOH or CH CHFCH COOH
03
PYQ 2024
medium
chemistry ID: cbse-cla
Assertion (A): Benzoic acid does not undergo Friedel – Crafts reaction.
Reason (R): Carboxyl group is deactivating and the catalyst aluminium chloride gets bonded to the carboxyl group.
Reason (R): Carboxyl group is deactivating and the catalyst aluminium chloride gets bonded to the carboxyl group.
1
Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of the Assertion (A).
2
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3
Assertion (A) is true, but Reason (R) is false.
4
Assertion (A) is false, but Reason (R) is true.
04
PYQ 2024
medium
chemistry ID: cbse-cla
Write the structures of A and B in the following reaction:
05
PYQ 2024
medium
chemistry ID: cbse-cla
Complete the following reaction:
06
PYQ 2025
hard
chemistry ID: cbse-cla
Which is the correct order of acid strength from the following?
1
C H OH > H O > ROH
2
C H OH > ROH > H O
3
ROH > C H OH > H O
4
H O > C H OH > ROH