Punjab 12th Class Chemistry Chapter 12 Aldehydes and Ketones Mcqs Test Online
Questions 20
Total Marks 40
Time 20 Mins
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Punjab 12th Class Chemistry Chapter 12 Aldehydes and Ketones Mcqs Test Online

Start your preparation for Punjab 12th Class Chemistry Chapter 12 Aldehydes and Ketones Mcqs Test Online. This online test contains 20 MCQs and you have 20 Minutes to complete it. The total marks for this test are 40. This test is valid for students of All Punjab Boards (Lahore, Gujranwala, Multan, etc.) following the PCTB Syllabus. Read the questions carefully and select the correct option below to see your result.

Punjab 12th Class Chemistry Chapter 12 Aldehydes and Ketones Mcqs Test Online

 

Question 1 of 20

Chemistry

1. Formaldehyde react with NH3 to give?
1.
2.
3.
4.

Question 1 of 20

Question 2 of 20

2. Acetone reacts with HCN to form a Cyanohydrin. It is an example of:

1.
2.
3.
4.

Question 2 of 20

Question 3 of 20

3. Which of the following compounds will not given iodoform test on treatment with I₂/NaOH.
1.
2.
3.
4.

Question 3 of 20

Question 4 of 20

4. Aldol condensation is not successful with compounds:
1.
2.
3.
4.

Question 4 of 20

Question 5 of 20

5. The carbon atom of carbon atom of a carbonyl group is:
1.
2.
3.
4.

Question 5 of 20

Question 6 of 20

6. General formula of aldehyde and ketone is:
1.
2.
3.
4.

Question 6 of 20

Question 7 of 20

7. Which one of the following can undergo aldol condensation reaction?
1.
2.
3.
4.

Question 7 of 20

Question 8 of 20

8. Formaldehyde react with NH₃ to give?
1.
2.
3.
4.

Question 8 of 20

Question 9 of 20

9. Which of the following reagents will react with both aldehydes and ketones?
1.
2.
3.
4.

Question 9 of 20

Question 10 of 20

10. Ketones are prepared by the oxidation of:
1.
2.
3.
4.

Question 10 of 20

Question 11 of 20

11. Aldehydes are the oxidation product of:

1.
2.
3.
4.

Question 11 of 20

Question 12 of 20

12. Aldehydes and ketones are carbonyl compounds. Which of them react both with NaBH4 and with Tollen’s reagent:
1.
2.
3.
4.

Question 12 of 20

Question 13 of 20

13. Which of the following can be prepared in the laboratory by dry distillation of (HCOO)2 ca?

1.
2.
3.
4.

Question 13 of 20

Question 14 of 20

14. General formula of aldehydes and ketone is?

1.
2.
3.
4.

Question 14 of 20

Question 15 of 20

15. Aldol condensation is not successful with compounds:
1.
2.
3.
4.

Question 15 of 20

Question 16 of 20

16. Cannizaro’s reaction is not given by:
1.
2.
3.
4.

Question 16 of 20

Question 17 of 20

17. The colour of lodoform is:
1.
2.
3.
4.

Question 17 of 20

Question 18 of 20

18. Which of the following carbe prepared in the laboratory by dry distillation of (HCOO)₂ Ca?
1.
2.
3.
4.

Question 18 of 20

Question 19 of 20

19. Phenylhydrazone on treatment with carbohyl compounds produce:
1.
2.
3.
4.

Question 19 of 20

Question 20 of 20

20. The colour of Iodoform is:
1.
2.
3.
4.

Question 20 of 20


 

Guide for Punjab Board Students

Students of BISE Lahore, Gujranwala, Multan, and other Punjab boards must follow the SLO based pattern.

Top Scoring Tips for Punjab:

  • Textbook Reading: The paper is 100% derived from PCTB books. Do not rely only on keybooks.
  • Objective Paper (20%): Practice these online MCQs repeatedly as they are taken from 5-Year Past Papers.
  • Bubble Sheet: Ensure you know how to fill the OMR sheet correctly.

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