Download or Preview Chemistry Class 12 mcqs solved pdf chapter 13 for both Entry Test and Board Exams. These are Important mcqs for Chemistry class 12.
IMPORTANCE OF THESE MCQS
It is tough and difficult task to solve Chemistry Class 12 mcqs. Students
must have proper preparation of 2nd year chemistry mcqs for excellent
marks in chemistry class 12. All the important mcqs related to chapter 13 Carboxylic Acids of 2nd
year Chemistry are here for you. These questions are taken from past
papers of 2nd year chemistry of all Punjab Board of Pakistan as ;
Bahawalpur Board
D.G.Khan Board
Faisalabad Board
Gujranwala Board
Lahore Board
Multan Board
Rawalpindi Board
Content is created and designed with intense care and diligence.
These questions (MCQs) are top repetitive in previous papers. Each
question has a detailed answer explanation. In this way you learn from
your mistakes
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Questions are based on the current Chemistry Class 12 syllabus according
to Punjab Textbook Board.
About This Chapter
Chapter no. 13 "Carboxylic Acids" of Chemistry class 12 enables the students to name Carboxylic acids and their derivatives. Students learn commercial method for the preparation of acidic acid. Students learn effect of hydrogen bonding on physical properties of carboxylic acids. Students learn about amino acids and their significance. This post "Chemistry Class 12 mcqs solved pdf chapter 13" covers all important mcqs that are top repetitive
in past papers relevant to above mentioned topics.
👉For Answers of following questions click the show answer button.
1. Which of the following is not a fatty acid?
(A) Phthalic acid
(B) Acetic acid
(C) Botanic acid
(D) Propanoic acid
(A) Phthalic acid
2. Which one is phthalic acid?
(A) HCOOH
(B) CH3COOH
(C) COOH
(D) C6H4(COOH)2
(D) C6H4(COOH)2
3. Among the aliphatic carboxylic acids the first four members are soluble in water due to:
(A) London dispersion forces
(B) Hydrogen Bonding
(C) Ion-Dipole forces
(D) Covalent bond
(B) Hydrogen Bonding
4. Acet amide is prepared by:
(A) Heating ammonium acetate
(B) Heating Ethyl acetate
(C) Heating methyl cyanide
(D) None of these
(A) Heating ammonium acetate
5. Which is used in seasoning of food?
(A) Benzene
(B) Acetic acid
(C) Botanic acid
(D) Formic acid
(B) Acetic acid
6. Ester benzyl acetate has the flavor?
(A) Banana
(B) Apricot
(C) Orange
(D) Jasmine
(D) Jasmine
7. Octyl butyrate has the flavor:
(A) Apricot
(B) Banana
(C) Orange
(D) Jasmine
(D) Jasmine
8. Amyl acetate has the flavor:
(A) Banana
(B) Apricot
(C) Orange
(D) Jasmine
(A) Banana
9. Which of the following having fruity smell are :
(A) Alcohols
(B) Ethers
(C) Esters
(D) Carboxylic acids
(C) Esters
10. Acetic acid is manufactured by:
(A) Distillation
(B) Fermentation
(C) Ozonolysis
(D) All of above
(B) Fermentation
11. Which acid is used in the manufacture of synthetic fibers?
(A) Carbonic acid
(B) Acetic acid
(C) Propanoic acid
(D) Oxalic acid
(B) Acetic acid
12. Which of the following is not an amino acid?
(A) Aspartic acid
(B) Histidine
(C) Lysin
(D) Aniline
(D) Aniline
13. Which one is neutral amino acid?
(A) Lysine
(B) Valine
(C) Histidine
(D) All of above
(B) Valine
14. Which agent is used to reduce a carboxylic acid to an alcohol?
(A) H2/Ni
(B) H2/Pt
(C) NaBH4
(D) LiAlH4
(D) LiAlH4
15. Which following derivative can not be prepared directly from acetic acid?
(A) Acetamide
(B) Acetyl chloride
(C) Acetic anhydride
(D) Ethyl acetate
(A) Acetamide
16. Formic acid and acetic acid can be distinguished by:
(A) With Baking soda
(B) With Caustic soda
(C) With ammoniacal AgNO3
(D) With Litmus
(C) With ammoniacal AgNO3
17. The dipolar structure of zwitter ion is also called:
(A) Double salt
(B) External salt
(C) Internal salt
(D) Hydrated salt
(C) Internal salt
18. Ascorbic acid is:
(A) Coenzyme
(B) Enzyme
(C) Vitamin C
(D) Ester
(C) Vitamin C
19. Acetic acid is obtained from ethyl alcohol by:
(A) Oxidation
(B) Reduction
(C) Hydrogenation
(D) Fermentation
(A) Oxidation
20. The nature of alanine is:
(A) Acidic
(B) Basic
(C) Neutral
(D) Amphoteric
(C) Neutral
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