MDCAT Chemistry Chapter 17 Aldehydes and Ketones Online Test With Answers

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MDCAT Chemistry Chapter 17 Aldehydes and Ketones Online Test

Sr. # Questions Answers Choice
1 Esters have fruity smell and are used as artificial favours. Amyl acetate gives flavour of Banana Jasmine Pineapple Orange
2 All are dicarboxylic acids except Oxalic acid Malonic acid Picric acid Tartaric acid
3 In the presence of hot alkaline potassium permanganate solution 2-butene will give Formic acid +acetic acid Two moles ethanoic acid Two moles of methanoic acid Ethylene glycol
4 One of the following compound reacts with its own oxidation product (an oxidation involves no loss of carbon) to give sweet odour liquid Propanal Propanone 1-propanol Propanoic acid
5 Ethanoic acid reacts with all of these to produce water except Ethanol Sodium Caustic soda Sodium hydrogen carbonate
6 The specie that develops strongest hydrogen bonding with water НСООН B.CH3CH2СООН CH3СООН CICH2COOH
7 Which one of the following will react with bothethand and ethanoic acid at room temperature CaCO3 CuO Na-metal CH3OH
8 Which of the following has the lowet solubility in water НСOOH CH3СООН CH3-CH2-СООН C3H7-COOH
9 Slight oxidation of primary alcohol eives Ketone Aldehyde -Organic acid An ester
10 Reaction of acetic acid with LiAIH4 gives Ethanol Ethanal Ethane Ethyl acetate
11 A compound X has all of the properties below. It is a liquid at 25°C it mixes completely with water it reaets with aqueous sodium hydroxide, What could X be? <sub>Ethanoic acid</sub> Ethene Ethanol Ethyl ethanoate
12 Oils and fats belong to the class of Alcohols Hydrocarbons Acids Esters
13 Ethanoic acid reacts with PCI5, to give ethanoyl chloride. HCI and a third compound What is the third compound H3PO3, POCI3 SO2 COCl2
14 Compound X & Y give effervesce with Na2CO3, solution. X gives a white ppt with ammonical AgNO3 while Y gives sweet smell compound on heating with alcohol X &Y are Formic acid &amp; acetic acid Acetone &amp; formic acid Acetaldehy de &amp; acetic acid Acetic acid &amp; acetone
15 Which of the following is a strong acid CH3COOH C2H5OH HCOOH Phenol
16 In the esterification, first attack is due toon carborylic acid Hydrogen ion Alcohols Water All
17 Which compound is not formed as a result of reaction between acetic acid & HI & red phosphorous Ethanol Water lodine Ethane
18 Which of the following acid is unsaturated carboxylie acid Malonic acid Oxalic acid Succinic acid Maleic acid
19 Which of the following metal cannot evolve hydrogen from the acetic acid Sodium Potassium Magnesium Copper
20 The derivatives that cannot be prepared directly from the acetie acid Acetamide Acetic anhydride Ethyl acetate Ester
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