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 Carboxylic acids functional group is: ----COOH -----COH ----CO--- ----OH
2 The organic compounds containing Ph--OH group are called: Phenol Aldehyde Ketones Carboxylic acids
3 Amylacetate flavour is present in: Banana Apple Jasmine Orange
4 Amiino acids are building blocks of: Protein Carbohydrates Lipids Fats
5 Amino acids contain functional groups in it: --CO-- --OH ---NH<sub>2</sub> All of these
6 Acetic acid is miscible in: Water Alcohol Either All of these
7 Boiling point of acetic acid is°C: 116 117 118 119
8 Glacial acetic acid freezes to ice like solid at (°C) 07 17 27 37
9 Vinegar is dilute solution of: Acitic acid Formic acid Butyric acid Propionic acid
10 Carboxylic acids on complete reduction in the presence of Hi and red phosphorus gives: Esters Alcohols Alkanes Aldehydes
11 Which are used as essences (flowers)? Aldehydes Ketones Alcohols Esters
12 Acetic acids react with PCI5 giving: Acetamide Acetyl chloride Alcohol Ether
13 Active metals react with carboxylic acid releasing gas: CO CO<sub>2</sub> H<sub>2</sub>O as steam H<sub>2</sub>
14 Carboxylic acids react with acids releasing gas from it: H2O as steam CO CO2 O2
15 Carboxyl group has functional group in it: One Two Three Four
16 Which is not carboxylic acid with pungent smell? Formic acid Acetic acid Ethanoic acid Butyric acid
17 In preparation medhod of carboxylic acids from alkyl halides always carboxylic acid formed which have carbon atoms: One less than in R----X One more than in R---X Equal to R---X Double to R----X
18 A carboxylic acid containing Ar group in it is called: Aromatic carboxylic acid Allphatic carboxylic acid Dicarboxylic acid Carboxylic acid
19 A compound containing carboxyl group in them are called: Ketone Ether Carboxylic acids Polycarboxylic acid
20 A carboxylic acid with one caboxyl group: Monocarboxylic acid Dicarboxylic acid Tricarboxylic acid Polycarboxylic acid
21 Acetamide is prepared by: Heating ammonium acetate Heating methyl cyanide Heating ethyl acetate The hydrolysis of methyl cyanide
22 Which of the following is not a fatty acid? Propanoic acid Acetic acid Phthalic acid Butanoic acid
23 The solution of which acid is used for seosoning of food ? Formic acid Acetic acid Benzoic acid Butanoic acid
24 Which reagent is used to reduce a carboxylic group to an alcohol? H2/Ni H2/Pt NaBH4 LiAIH4
25 Which of the following derivative cannot be prepared directly from acetic acid? Acetamide Acetyl chloride Ethyl acetate Acetic acid
26 Which acid is used in the manufacture of synthetic fibre? Formic acid Oxalic acid Carbonic acid Acetic acid
27 A carboxylic acid contains: A hydroxyl group A carboxyl group A hydroxyle &amp; carboxyl group A carboxyl &amp;aldehyde group
28 Acetic acid is manufactured by: Distillation Fermentation Ozonolysis Esterification
29 Carboxylic acids are more acidic than pehnol and alcohol because of Intermolecular hydrogen bonding Formation of dimmers Highly acidic hydrogen Resonance stabilization of their conjugate base
30 Ethyl acetate is obtained when methyl magnesium iodide reacts with Ethyl formate Ethyl choroformate Acetyl chloride carbondioxide
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