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 Lactic acid on oxidation by alkaline potassium permanganate gives Tartaric acid Pyruvic acid Cinnamic acid Propionic acid
2 Hydrolysis of an ester gives a carboxylic acid which on Kolbe's electrolysis yields ethane. the easter is Ethyl methonoate Methyl ethanoate Propylamine Ethylamine
3 HCOOH reacts with conc. H2SO4to produce CO CO<sub>2</sub> NO NO<sub>2</sub>
4 When propanamide reacts with Br2and NaOH then which of the following compounds is formed? Ethyl alcohol Propyl alcohol Propyl amine Ethylamine
5 Hydrolytic reaction of fats by causic soda is known as Acetylation Carboxylation Esterification Saponification
6 What will happen if LiAIH4is added to an ester? Two units of alcohol are obtained One unit of alcohol and one unit of acid is obtained Two units of acids are obtained None of these
7 Rearrangement of an oxime to an amide in the presence of strong acid is called Curtius rearrangement Fries rearrangement Beckman rearrangement Aldol condensation
8 Which of the following reagents is used to distinguish between methanoic acid and ethanoic acid? Amm. silver nitrate solution Neutral ferric chloride Sodium hydroxide solution Sodium carbonate solution
9 Rosenmund's reduction of an acyl chloride gives An aldehydes An alcohol An ester A hydrocarbon
10 Which of the following compounds on boiling with KMnO4(alk) and subsequent acidification will not give benzoic acid? Benzyl alcohol Acetophenone Anisole Toluene
11 Saponification of ethyl benzoate with caustic soda Benzyl alcohol,ethanoic acid Sodium benzoate, ethanol Benzoic acid, sodium ethoxide Phenol, ethanoic acid
12 Ethyl acetate reacts with CH3MgBr to form Secondary alcohol Tertiary alcohol Primary alcohol and acid Acid
13 Lower carboxylic acids are soluble in water due to Low molecular weight Hydrogen bonding Dissociation into ions Easy hydrolysis
14 Hydrolysis of trichloromethane with aqueous KOH gives Potassium formate Acetylene Chloral Methanol
15 If acetyl chloride is reducing in the presence of BaSO4and Pd, then CH<sub>3</sub>CHO is formed CH<sub>3</sub>CH<sub>2</sub>OH is formed CH<sub>3</sub>COOH is formed CH<sub>3</sub>COCH<sub>3</sub>is formed
16 Which of the following is the strongest acid? CF<sub>3</sub>COOH CBr<sub>3</sub>COOH CH<sub>3</sub>COOH CCl<sub>3</sub>COOH
17 The order of decreasing ease of reaction with ammonia is Anhydrides, esters, ethers Anhydrides, ethers, esters Ethers, anhydrides, esters Esters, ethers, anhydrides
18 The acid showing salt like character in aqueous solution is Acetic acid Benzoic acid Formic acid <span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: small;">α - Aminoacetic acid</span>
19 In the presence of Aluminium ethoxide, aldehydes get converted into esters. The reaction is known as Schmidt reaction Aldol condensation Beckmann's rearrangement reaction Tischenko reaction
20 A colourless liquid, at room temperature reacts with soda lime to form sodium salt of carboxylic acid and ammonia gas. The liquids is Propanamide Propanoic acid Formamide Methyl Ethanoate
21 Lactic acid on heating with dil. H2SO4gives Acetic acid Propionic acid Acrylic acid Formic acid
22 From the following values of dissociation constants of four acids which value represents the strongest acid? 2 x 10<sup>-2</sup> 0.02 x 10<sup>-1</sup> 3 x 10<sup>-4</sup> 2 x 10<sup>-4</sup>
23 Acyl halide is formed by reacting PCl5with Alcohol Ester Amide Both carboxylic acids as well as esters
24 Which of the following order is incorrect w.r.t property indicated? Formic acid &gt; Acetic acid &gt; Propionic acid (ACID STRENGTH) Cyclohexanol &lt; Phenol &lt; Benzoic acid ( ACID STRENGTH) Benzamide &lt; Aniline &lt; Cyclohexylamine ( ACID STRENGTH) FCH<sub>2</sub>COOH &gt; CICH<sub>2</sub>COOH &gt; BrCH<sub>2</sub>COOH (ACID STRENGTH)
25 What is formed when oxalic acid is dehydrated by conc. H2SO4? C + CO<sub>2</sub> CO CO<sub>2</sub> CO + CO<sub>2</sub>
26 Acetamide and NaOBr/OH-produce Ethanamine Methanamide CH<sub>3</sub>CN NH<sub>3</sub>
27 Acidic hydrolysis of acetamide gives Acetaldehyde Acetic acid Methyl amine Formic acid
28 Acetamide is Highly acidic Highly basic Neutral amphoteric
29 Ethyl alcohol reacts with acetyl chloride to form Ethyl chloride Acetic acid Methyleacetate Ethyleacetate
30 Weakest acid among the followings is Acetic acid Phenol Water Acetylene
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