MDCAT Chemistry Chapter 17 Aldehydes and Ketones Online Test With Answers

image
image
image

MDCAT Chemistry Chapter 17 Aldehydes and Ketones Online Test

Sr. # Questions Answers Choice
1 When ethyl magnesium bromide is treated with carbon dioxide and the product hydrolyzed we get formic acid propionic acid oxalic acid acetic acid
2 Molar mass of formic acid in benzene comes out to be 64 46 32 92
3 Carboxylic acid is more acidic than phenol because of the greater stability of Carboxylic acid Phenoxide ion proton Carboxylate ion
4 The formation of acetic anhydride from acetic acid follows the mechanism SN AN SE AE
5 In esterification, the OH of carboxylic acid is replaced by OR+ R+ OR R
6 solubility of carboxylic acids decreases in water with increase in molar mass because Bigger molecules are more polar bigger molecules have bigger non-polar groups bigger molecules make more hydrogen bonds bigger molecules can form lesser hydrogen bonds/molecule
7 Which compound shows the highest melting point water Propanoic acid Methanoic acid Ethanoic acid
8 Propanoic acid is functional group isomer of Methyl acetate Ethyl acetate Propanal Proparone
9 Ethane nitrile can be converted into ethanoic acid through......intermediate Ethyl alcohol AcetyI chloride Acetamide Methyl cyanide
10 The highest melting point is observed by Butanoic acid Propanoic acid Pentanoie acid HCI
11 Final product of hydrolysis of nitrile is Ketone Alcohol Aldehyde Carboxylic acid
12 Which one of the following reaction of carboxylic acid is reversible? Esterification Salt formation Reaction with PCI5 Reaction with SOCI2
13 Formamide is formed by the reaction of which acid with ammonia Oualic acid Formic acid Ethanoic acid Propanoic acid
14 Octyl acetate has the flavor of Orange Pineapple Banana Apple
15 Methyl cyanide, on boiling with mineral acids yield Acetic acid Formic acid Propanoie acid Butanoic acid
16 The formation of ester from acetic aciad in presence of acid and ethanol is a Nucleophilic substitution reaction Nucleophilic addition reaction Electrophilic substituion reaction Electrophilic addition reaction
17 Primany aleohols sornally give us aldehyde when oxidized in the presence of acidified Na2Cr2O7, what will be the product, when the secondary alcohols are oxidized in same condition? Alkenes Alkyl halide Alkynes Ketones
18 An acid that exists as a cyclic dimer in benzene and shows a molar mass of 120g/mol is СН3СOOH HCOOH CI2CHCOOH Сl3CCOOH
19 Velaric acid is obtained from a herb velarian, its IUPAC name is Propionic acid Pentanoic acid Butyric acid Caporic acid
20 The Complete oxidation of ethanol produces first Ethanal than Ethanal Propanone Ethanoic acid Benzoic acid
Download This Set
×