MDCAT Chemistry Chapter 17 online mcq test with answers for chapter 17 (Aldehydes and Ketones)

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Discus Alcohols with reference to:

a) Classification of alcohols into primary, secondary and tertiary.

b) Preparation of ethanol by hydration of ethene using conc. H2SO4 or conc. H3PO4

c) Reaction of alcohol with: i) K2Cr2O7 + H2SO4 (oxidation). ii) PCl5. iii) Na-metal. iv) Alkaline aqueous Iodine (Iodoform Test). v) Carboxylic acid (Esterification).

d) Dehydration of alcohol to give alkene.

Phenol

a) Discuss reactions of phenol with:

i) Bromine ii) HNO3

iii) NaOH

b) Explain the relative acidity of water, ethanol and phenol.

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MCAT Chemistry Chapter 17 Important MCQ's

Sr.#	Question	Answer
1	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?	A. Alkenes B. Alkyl halide C. Alkynes D. Ketones
2	The derivatives that cannot be prepared directly from the acetie acid	A. Acetamide B. Acetic anhydride C. Ethyl acetate D. Ester
3	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?	A. _{Ethanoic acid} B. Ethene C. Ethanol D. Ethyl ethanoate
4	Ethanoic acid reacts with PCI5, to give ethanoyl chloride. HCI and a third compound What is the third compound	A. H3PO3, B. POCI3 C. SO2 D. COCl2
5	All are dicarboxylic acids except	A. Oxalic acid B. Malonic acid C. Picric acid D. Tartaric acid
6	Final product of hydrolysis of nitrile is	A. Ketone B. Alcohol C. Aldehyde D. Carboxylic acid
7	Carboxylic acid is more acidic than phenol because of the greater stability of	A. Carboxylic acid B. Phenoxide ion C. proton D. Carboxylate ion
8	The formation of ester from acetic aciad in presence of acid and ethanol is a	A. Nucleophilic substitution reaction B. Nucleophilic addition reaction C. Electrophilic substituion reaction D. Electrophilic addition reaction
9	Oils and fats belong to the class of	A. Alcohols B. Hydrocarbons C. Acids D. Esters
10	Esters have fruity smell and are used as artificial favours. Amyl acetate gives flavour of	A. Banana B. Jasmine C. Pineapple D. Orange

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MDCAT Chemistry Chapter 17 MCQ Test With Answer for (Aldehydes and Ketones)

MCQ's Test For MDCAT Chemistry Chapter 17 Aldehydes and Ketones Online Test

MDCAT Chemistry Chapter 17 Aldehydes and Ketones Online Test

Which of the following has the lowet solubility in water

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?

Which one of the following will react with bothethand and ethanoic acid at room temperature

Ester with raspberry flavor

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?

The specie that develops strongest hydrogen bonding with water

Esters have fruity smell and are used as artificial favours. Amyl acetate gives flavour of

An organic compound made from oxidation of ethanol is

In the esterification, first attack is due toon carborylic acid

Velaric acid is obtained from a herb velarian, its IUPAC name is

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

The derivatives that cannot be prepared directly from the acetie acid

Carboxylic acid is more acidic than phenol because of the greater stability of

When ethyl magnesium bromide is treated with carbon dioxide and the product hydrolyzed we get

Propanoic acid is functional group isomer of

Methyl cyanide, on boiling with mineral acids yield

Formamide is formed by the reaction of which acid with ammonia

Oils and fats belong to the class of

Which one of the following reaction of carboxylic acid is reversible?

Estyl butyrate has flavour like

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