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 Zwitter ion is ______ ion an amino acid Polar Monopular Dipolar Non polar
2 Ethanol in the presence of concentrated sulphuric acid Potassium hydroxide Sodium Sodium carbonate
3 Elimination Esterification Elimination Isomerisation Oxidation Exterification Oxidation Oxidation
4 di(4-bormophenyl) method Methanol Propan-1-ol Propan-2-ol
5
6 Which compound is both chiral and acidic
7 Acidified AgNO<sub>3(aq)</sub> Fehling's solution Na Na<sub>2</sub>XO<sub>3(aq)</sub>
8 A compound X has all of the following properties: It is a liquid at room temperature and atmospheric pressure; It does not mix completely with water; It does not decolorise acidified potassium manganate
What could X be
 Ethane Ethanoic acid Ethanol Ethyl ethanoate
9 RCH(CH<sub>3</sub>)CO<sub>2</sub>H + CH<sub>3</sub>OH RCH(CH<sub>3</sub>)CO<sub>2</sub>H + HCO<sub>2</sub>H RCH(CH<sub>3</sub>)OH + CO<sub>2</sub> RCH(CH<sub>3</sub>)OH + HCO<sub>2</sub>H
10 Step 1 Step 2<div>HCI HCN</div> HcN,NaCH H<sub>2</sub>SO<sub>4</sub> H<sub>2</sub>SO<sub>4</sub> K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>/H<sub>2</sub>SO<sub>4</sub> KCN HCI
11 Glutamic acid, aspartic acid are ______ amino acid Acidic Basic Neutral None of these
12 A peptide having molecular mass upto 10,000 is called a Vitamin Protein Polypeptide Dipetide
13 If a large number of amino acids (hundreds to thousands) are joined by peptide bonds, the resulting product is called Dipeptide Tripeptide Polypeptide None of these
14 The acid present in vinegar is CH<sub>3</sub>COOH HCI H<sub>2</sub>SO<sub>4</sub> HCOOH
15 The OH group present in acids may be replaced by CI atom on treatment with PCI<sub>5</sub> SOCI<sub>2</sub> Both of them None of the above
16 Acetamides are formed by the reaction of carboxylic acids with Acids Bases Salts NH<sub>3</sub>
17 Which of the following is present in the stings of bees and wasps Formic acid Citric acid Carbolic acid Formalin
18 The human body can synthesize ______ amino acids 1 10 20 19
19 Which one of the following has been hydroxyl and carboxylic acid groups Phenols Picric acid Phthalic acid Salicylic acid
20 Optical activity is possible in Oxalic acid Acetic acid Tartaric acid Formic acid
21 Those amino acids which contain two carboxylic groups are called ______ amino acids Acidic Basic Neutral None of these
22 Which of the following statements about acetic, anhydride is not correct It is immiscible with water but is hydrolysed to give acetic acid It is prepared by the action of actyl chloride on the sodium salt of acetic acid it reacts with ammonia to give acetamide it is a strong acid
23 The human body can synthesize ______ amino acids 1 10 20 19
24 The amino acids which human body can synthesize are called ______ amino acid Essential Non essential Acidic Basic
25 The acid present in the stings of bees and wasps in Acetic acid Formic acid Formalin Formaldehyde
26 An artificial smell of banana is produced in many articles y using esters which of the following is that Amyl acetate Isoamyl valerate Octyl acetate Methyl butyrate
27 Esters have peculiar smell, which of the following is used as an essence of orange Isoamyl acetate Iosamyl valerate Octyl acetate Methyl butyrate
28 The Zwitter ion is also called International salt Internal salt No salt None of these
29 Lysine is ______ amino acid Acidic Basic Natural None of these
30 When acetic acid and ethanol react together an ester is formed which is called Ethyl ester Ethanoic acid Ethanoic acid Ethyl acetate
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