Question # 1

The acidity of phenol is due to its

Choose an answer

Nature of Benzene

Double bond in benzene ring

Natute of phenoxide ion

Hydroxyl group

CH3CH2CH2OH--------A---------B Here B is

Choose an answer

Propyne

Propanal

Propene

Propane

When wine is put in air, it becomes sour due to

Choose an answer

Oxidation of C2H5OH

Formation of C2H5NH2

Reduction of C2H5OH

Dissolution of CO2

The reaction of formaldehyde with HCN is

Choose an answer

Nucleophilic substitution

Electrophilic substitution

Nucleophilic addition

Free radical addition

Phenol is colourless, crystalline and solid

Choose an answer

Hygroscopie

Deliquescent

Moistening

Odourless

The reagent used to distinguish between ethanol and propanal is

Choose an answer

I2/ NaOH

Benedict's reagent

LiAIH

sodium nitroprusside

Which of the following is soluble in water?

Choose an answer

СН3ОН

CCL4

CHCI3

CS2

The synthesis of ethene from ethyl alcohol is a reaction

Choose an answer

Dehydration

Polymerization

Addition

Substitution

An alcohol is converted to an aldehyde with same number of carbon atoms as that of alcohol in the presence of K2Cr2O7/H2S04 the alcohol is

Choose an answer

CH3C(CH3)2OH

(CH3)3COH

CН3СН2СН2OH

(CH3)2CHOH

During esterifcation, the alcobol molecule acts as:

Choose an answer

Oxidizing agent

Electrophile

Reducing agent

Nucleophile

Which of the following does not give yellow precipitate with I2+ NaOH

Choose an answer

Acetone

Benzaldehyde

Acetildehyde

Acetophenone

Which of the following is more reactive where 0-H bonds break

Choose an answer

P°alcohol

T° alcohol

S°alcohol

Cannot be predicated

Which one of the followings is resistant to oxidation under normal conditions

Choose an answer

Methyl alcohol

Acetaldehyde

Ethyl alcohol

Acetone

Ethanol reacts with sodium metal to liberate

Choose an answer

CO2 gas

CO gas

H2 gas

Steam

When calcium formate and calcium acetate are dry heated they form

Choose an answer

НCOOH

C2H5OH

CH3CHO

HCHO

The addition compound obtained by reacting acetaldelyde and HCN, when Iydrolyzed gives

Choose an answer

Ethyl alcohol

Methyl cyanide

2-Hydroxy propanoic acid

Ethyl cyanide

Which of the following alcohol is more soluble in H2O

Choose an answer

Propanol

Butanol

Pentanol

Hexanol

Consider the following reaction
R-CHO + 2Ag(NH3)2OH + R-COONH+ +2Ag+2NH3+H2OThis reaction represents

Choose an answer

Fehling test

Ninhydrin test

Benedict lest

Tollen's test

C=O and C=C bonds are differentiated by

Choose an answer

Hybridization of C-atom

Bond angles

Ammonical AgNO3

Conc. HNO3

Phenol is completely soluble in water above

Choose an answer

25°C

62.3℃

68.5°C

66.50°c

The alcohol that does not form curbonyl compound on oxidation

Choose an answer

iso-butyl alcohol

neo pentyl alcohol

Ethanol

ter-butyl alcohol

More Classes

Other Links

MDCAT Chemistry Chapter 15 Alkyl Halides Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer