Punjab 12th Class Chemistry Chapter 13 Carboxylic Acids Mcqs Test Online Punjab 12th Class Chemistry Chapter 13 Carboxylic Acids Mcqs Test Online 1234567891011121314151617181920Show paginator Hide paginator Question 1 of 20Chemistry 1. Carboxylic acid can be prepared by the action of Grignard’s reagent with: 1.KCl 2.O₂ 3.N₂ 4.CO₂ Question 1 of 20Question 2 of 20 2. Carboxylic acids react with metal to from salts with the evolution of: 1.CO 2.CO₂ 3.H₂ 4.CH₄ Question 2 of 20Question 3 of 20 3. __________ is used as preservative for silage and other live stock feed. 1.Acetic acid 2.Formic acid 3.Propionic acid 4.Hatic acid Question 3 of 20Question 4 of 20 4. Reaction between caustic soda and a fat is called: 1.Neutralization 2.Esterification 3.Hydrogenation 4.SaponificationQuestion 4 of 20Question 5 of 20 5. The reaction of alcohol with acetic acid is known as: 1.Ammonolysis 2.Saponification 3.Esterification 4.Hydrolysis Question 5 of 20Question 6 of 20 6. __________ found in pineapples tastes like sugar H₂O. 1.Ethyl butanoate 2.Ethyl octanoate 3.Ethyl butyrate 4.Both a and bQuestion 6 of 20Question 7 of 20 7. From the following carboxylic acids which acid has higher acidity: 1.Ethanoic acid 2.Chloro ethanoid acid 3.Nitro ethanoid acid 4.Propanoid acid Question 7 of 20Question 8 of 20 8. A carboxylic acid contains functional group: 1.A Carboxyl and aldehyde group2.A Carboxyl group 3.A Hydroxyl and Carboxyl group 4.A Hydroxyl group Question 8 of 20Question 9 of 20 9. Which one of the reaction of carboxylic acids with: 1.Phthalic acid 2.Picric acid 3.Phenol 4.Salicylic acid Question 9 of 20Question 10 of 20 10. Ethane-1, 2 dioic acid is also called: 1.Oxalic acid 2.Formic acid 3.Malonic acid 4.Benzoic acid Question 10 of 20Question 11 of 20 11. _________ is used as a preservative in dairy products, particularly in cheese and in baking products. 1.Boric acid 2.Lactic acid 3.Propionic acid 4.Benzoic acid Question 11 of 20Question 12 of 20 12. Which reagent is used to reduce carboxylic acid? 1.He/Ni 2.H₂/Pt 3.LiAlH₄4.NaBH₄ Question 12 of 20Question 13 of 20 13. Acetamid is prepared by: 1.The hydrolyers of methyl cyanide 2.Heating ethyl acetate 3.Heating methyl cyanide 4.Heating ammonium acetate Question 13 of 20Question 14 of 20 14. Stronger acid is: 1.HCOOH 2.CH₃CH₂COOH 3.CH₃COOH 4.CH₃CH₃CH₂COOHQuestion 14 of 20Question 15 of 20 15. Which of the following cannot be prepared directly from acetic acid: 1.Acetamide 2.Acetic anhydride 3.Acetyl cholaride 4.Ethyl acetate Question 15 of 20Question 16 of 20 16. When a carboxylic acid reacts with alcohol, it produces a new class of compounds: 1.Ethers 2.Amide 3.Esters 4.Anhydride Question 16 of 20Question 17 of 20 17. The IUPAC names for formic acid is: 1.Butanoic acid 2.Acetic acid 3.Ethanoic acid 4.Methanoic acid Question 17 of 20Question 18 of 20 18. __________ gives raspberries their characteristic taste: 1.Ethyl format 2.Ethyl octanoate 3.Ethyl hexanote 4.Ethyl butyrate Question 18 of 20Question 19 of 20 19. __________ are the building blocks of proteins. 1.Malic acid 2.Benzoic acid3.Slearic acid 4.Amino acid Question 19 of 20Question 20 of 20 20. Esters are formed by the reaction of carboxylic acids with: 1.Ethers 2.Aldehydes 3.Alcohols 4.Alkyl halides Question 20 of 20 Loading... Test By Subject Punjab Test By Topics 12th Class Chemistry You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.