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 An organic acdi having molecular formula C2H4O2is Formic acid Acetic acid Oxalic acid Propionic acid
2 Glacial Acetic acid is Pure acetic acid at 100<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C</span> Acetic acid mixed with methanol Pure acetic acid at 0<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C</span> Pure acetic acid above 16.6<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C</span>
3 The reaction of acetaldehyde with HCN followed by hydrolysis gives a product which exhibits Metamerism Tautomerism Enatiomerism Geometrical isomerism
4 Which of the following does give violet colour with neutral ferric chloride? Acetic acid Salicaylic acid Formine acid Benzoic acid
5 Aspirin is Acetyl salicylic acid Phenyl salicylic acid Salicylic acid Benzoic acid
6 When acetamide reacts with Br2and caustic soda, then we get Acetic acid Bromoacetic acid Methyl amine Ethylamine
7 Amides on treatment with Br2and KOH are converted into amines, the reaction is known as Hoffmann's bromamide reaction Hoffmann's methylation Gabriel phthalimide reaction H.V.Z reaction
8 Between CH3COOH and HCOOH, HCOOH will be Less acidic Equally acidic More acidic None
9 Of the following four reactions, formic acid and acetic acid differ in which respect? Replacement of hydrogen by sodium Formation of ester with alcohol Reduction of Fehling solution Blue litmus reaction
10 Acetic acid is manufactured by the fermentation of Ethanol Methanol Ethanal Methanal
11 Acetic acid is obtained when Methyl alcohol is oxidized with potassium permanganate Calcium acetate is distilled in the presence of calcium formate Acetaldehyde is oxidized with potassium dichromate and sulphuric acid Glycerol is heated with sulphuric acid
12 When acetamide is hydrolysed by boiling with acid the product obtained is Ethyl amine Ethyl alcohol Acetic acid Acetaldehyde
13 Two moles of acetic acid are heated with P2O5the product formed is 2 moles of ethyl alcohol Formic anhydride Acetic anhydride 2 moles of methyl cyanide
14 Vinegar made form cane sugar, now a days synthetically contains Citric acid Lactic acid Acetic acid Palmitic acid
15 Given below are some statements concerning formic acid, which of them is true? It is a weaker acid than acetic acid It is a reducing agent When its calcium salt is heated, it forms a ketone It is an oxidizing agent
16 Formic acid is obtained when Calcium acetate is heated with conc.H<sub>2</sub>SO<sub>4</sub> Calcium formate is heated with calcium acetate Glycerol is heated with oxalic acid Acetaldehyde is oxidized with K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>and H<sub>2</sub>SO<sub>4</sub>
17 Sulphonation of benzoic acid produces mainly o-Sulphobenzoic acid m-sulohobenzoic acid p-Sulphobenzoic acid o-and p-Sulphobenzoic acid
18 Heating a mixture of sodium benzoate and soda lime gives Methane Benzene Sodium bezoate Calcium benzoate
19 Toluene can be oxidized to benzoic acid by KMnO<sub>4</sub>(alk) K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>(acidic) Both None
20 Reaction of acids with alcohols is also known as Esterification Saponification Alkalization None
21 Acetic anhydride is obtained form acetyl chloride by the reaction of P<sub>2</sub>O<sub>5</sub> H<sub>2</sub>SO<sub>4</sub> CH<sub>3</sub>COONa CH<sub>3</sub>COCH<sub>3</sub>
22 In public urinals, we observe some nascent smell. This smell is due to Hydrolysis of urea of urine by urease of atmosphere into NH<sub>3</sub>and CO<sub>2</sub> Formation of sulphonic acid by urea of urine Reaction of CO<sub>2</sub>of atmosphere with urea monoitrate in urine Hydrogen present in air reacts with nitrogen forming NH<sub>3</sub>
23 Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBh4or LiAH4? 1-Propanol 2-Propanol 2-Methyl2-Proponal Ethanol
24 Tryosine was isolated from Butter Cheese Oils Fats
25 Which formula represents the organic compound formed by the reaction of propanoic acid with methanol in the presence of concentrated sulphuric acid as a catalyst CH<sub>3</sub>CH<sub>2</sub>COCH<sub>3</sub> CH<sub>3</sub>CH<sub>2</sub>CO<sub>2</sub>CH<sub>3</sub> CH<sub>3</sub>CO<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CO<sub>2</sub>CH<sub>3</sub>
26 With amino acids ninhydrin solution gives Blue Violet Bluish violet White
27 When hydrogen cyanide is added to an Aldehyde in the presence of ammonia it is called Strecker synthesis Cory house synthesis Williamson;s synthesis None of these
28 It decolourises aqueous bromine rapidly It is insoluble in water It reduces Fehling's reagent Two molecules react with each other in the presence of a strong acid
29 What is the structure of the ester formed from propanoic acid and ethanol
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