ECAT Chemistry Chapter 24 Carboxylic Acid Online Test With Answers

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ECAT Chemistry Chapter 24 Carboxylic Acid Online Test

Sr. # Questions Answers Choice
1 Partial reduction of acetic acid happens with NH<sub>3</sub> LiAIH<sub>4</sub> P + HI PCI<sub>5</sub>
2 When a carboxylic acid reacts with alcohol, it produces a new class of compounds Ethers Esters Anhydride Amides
3 The general formula of amino acids is
4 The M.P. of carboxylic acids containing even number of carbon atoms is ______ than the next Higher Low Equal None
5 Acetamide is prepared by Heating ammonium acetate Heating methyl cyanide Heating ethyl acetate The hydrolysis of methyl cyanide
6 Which of the following is not a fatty acid Propanoic acid Acetic acid Phthalic acid Butanoic acid
7 Pro stand for Valine Alamine Glycine Proline
8 Etherification is catalyzed by Acids Gases Salts None of the these
9 The solution of which acid is used for seasoning of food Formic acid Acetic acid Benzoic acid Butanoic acid
10 Which reagent is used to reduce a carboxylic group to an alcohol H<sub>2</sub>/Ni H<sub>2</sub>/Pt NaBH<sub>4</sub> LiAIH<sub>4</sub>
11 Which of the following derivative can not be prepared directly from acetic acid Acetamide Acetyl chloride Acetic anhydride Ethyl acetate
12 Which acid is used in the manufacture of synthetic fibre Formic acid Phthalic acid Carbonic acid Acetic acid
13 Carboxylic acids generally exists in cyclic Monomers Dimers Trimers Tetrameter
14 When a carboxylic acid reacts with a metal ______ gas is evolved H<sub>2</sub> CO<sub>2</sub> CI<sub>2</sub> None of these
15 Acidic amino acid Basic amino acid Neutral amino acid None of these
16 Essential amino acids are those amino acids which Body can not synthesize Body can synthesize <span style="color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 248);">α</span>-amino acids <span style="color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 224);">β</span>-amino acids
17 Proton donar Dehydrating agent Catalyst Electrophile
18 Easter are pleasant smelling compounds. Which ester posseses odour like pineapple Amylacetate Amylbutyrate Ethylbutyrate Benzylacetate
19 Alkyl Alkyl nitrile Cyanogens Amine
20 The acids obtained by the hydrolysis of fats and oils are called Active compound Fatty acids Functional group None
21 Monocarboxylic acids exist as dimer because of Dipole-dipole attraction Hydrogen bonding Van der Waals forces Conhesive forces
22 With the increase in carbon no. the solubility of carboxylic acids Increases Decreases Remains same None of these
23 Carboxylic acid can generally be prepared by various methods. Which of the following methods is not suitable for making carboxylic acids By the oxidation of primary alcohols By the hydrolysis of nitriles By the carbonation of Grignard, reagent By the hydrolysis of p-amines
24 The common name of propanoic acid is Acetic acid Formic acid Propionic acid Butyric acid
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