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Class 12 Chemistry: Aldehydes, Ketones and Carboxylic Acids — Chapter Test 1

Class 12 • Chemistry • Aldehydes, Ketones and Carboxylic Acids • Chapter Test

MediumFREE

15

Questions

20 min

Duration

15

Marks (1 each)

No

Negative marking

Original practice questions with full solutions by ExamPortal.

Instructions

  • • Read each question carefully and pick the correct answer.
  • • You can mark questions for review and come back to them.
  • • Answers are saved automatically.
  • • The test is submitted automatically when time runs out.

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SYLLABUS & QUESTION BLUEPRINT

Sample Practice Questions

Preview 5 sample questions from this 15-question test. Test your knowledge below or take the full exam in timed CBT mode.

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Question 1 of 15
Tollens' reagent gives a silver mirror with:
A
ketones
B
aldehydes
C
alcohols
D
ethers
View Correct Answer & Step-by-Step Solution
Correct Option:(B)aldehydes

Detailed explanation is available inside the official test attempt review.

Question 2 of 15
Fehling's solution gives a red precipitate of:
A
Ag
B
Cu₂O
C
CuO
D
Fe₂O₃
View Correct Answer & Step-by-Step Solution
Correct Option:(B)Cu₂O

Detailed explanation is available inside the official test attempt review.

Question 3 of 15
The iodoform test is given by compounds containing:
A
–CHO only
B
CH₃CO– group (or CH₃CH(OH)–)
C
–COOH
D
–NH₂
View Correct Answer & Step-by-Step Solution
Correct Option:(B)CH₃CO– group (or CH₃CH(OH)–)

Detailed explanation is available inside the official test attempt review.

Question 4 of 15
The Cannizzaro reaction is shown by aldehydes that:
A
have α-hydrogen
B
have no α-hydrogen
C
are ketones
D
are acids
View Correct Answer & Step-by-Step Solution
Correct Option:(B)have no α-hydrogen

Detailed explanation is available inside the official test attempt review.

Question 5 of 15
Aldol condensation requires an aldehyde or ketone with:
A
no α-hydrogen
B
at least one α-hydrogen
C
a benzene ring
D
a carboxyl group
View Correct Answer & Step-by-Step Solution
Correct Option:(B)at least one α-hydrogen

Detailed explanation is available inside the official test attempt review.

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Frequently asked questions

How many questions are there in Class 12 Chemistry: Aldehydes, Ketones and Carboxylic Acids — Chapter Test 1?

There are 15 questions to answer in 20 min. Each correct answer gives 1 mark, for a total of 15 marks.

Is there negative marking?

No. Wrong answers do not lose marks, so attempt every question.

Is this mock test free?

Yes, it is completely free. Just log in with your email to start.

What does this test cover?

It covers the chapter "Aldehydes, Ketones and Carboxylic Acids" of Class 12 Chemistry. All questions are original, with a full solution for each.

Will I see my result and the solutions?

Yes. Right after you submit you get your score, accuracy, rank and percentile, and you can review every question with the correct answer and a step-by-step explanation.

Can I take this test again?

Yes, you can retake it as many times as you like and compare your scores.