Question # 1

Estyl butyrate has flavour like

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Banans

Jasmine

Pineapple

Orange

The highest melting point is observed by

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Butanoic acid

Propanoic acid

Pentanoie acid

HCI

All are dicarboxylic acids except

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Oxalic acid

Malonic acid

Picric acid

Tartaric acid

In the presence of hot alkaline potassium permanganate solution 2-butene will give

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Formic acid +acetic acid

Two moles ethanoic acid

Two moles of methanoic acid

Ethylene glycol

Which of the following has the lowet solubility in water

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НСOOH

CH3СООН

CH3-CH2-СООН

C3H7-COOH

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

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Formic acid & acetic acid

Acetone & formic acid

Acetaldehy de & acetic acid

Acetic acid & acetone

Which of the following acid is unsaturated carboxylie acid

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Malonic acid

Oxalic acid

Succinic acid

Maleic acid

Which of the following metal cannot evolve hydrogen from the acetic acid

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Sodium

Potassium

Magnesium

Copper

Oils and fats belong to the class of

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Alcohols

Hydrocarbons

Acids

Esters

Ethanoic acid reacts with PCI5, to give ethanoyl chloride. HCI and a third compound What is the third compound

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H3PO3,

POCI3

SO2

COCl2

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?

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_{Ethanoic acid}

Ethene

Ethanol

Ethyl ethanoate

Which of the following is a strong acid

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CH3COOH

C2H5OH

HCOOH

Phenol

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

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formic acid

propionic acid

oxalic acid

acetic acid

Final product of hydrolysis of nitrile is

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Ketone

Alcohol

Aldehyde

Carboxylic acid

Ester with raspberry flavor

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Amyl acetate

Isobutyl formate

Amyl butyrate

Octyl acetate

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?

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Alkenes

Alkyl halide

Alkynes

Ketones

Slight oxidation of primary alcohol eives

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Ketone

Aldehyde

-Organic acid

An ester

Molar mass of formic acid in benzene comes out to be

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64

46

32

92

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

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Banana

Jasmine

Pineapple

Orange

Carboxylic acids reacts with sodium carbonate, & gas evolved in this reaction

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CO2

H2

CO

Both a &b

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MDCAT Chemistry Chapter 17 Aldehydes and Ketones Online Test MCQs With Answers

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