Question # 1

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

Alcohol is less acidie than phenol due to

Choose an answer

higher ka value

Instability of alkoxide ion

stability of carbocation

Stability of phenol

Which one of the following alcohol is indicated by formation of yellow crystals in lodoform tesr?

Choose an answer

Methanol

Ethanol

Butanol

Propanol

Alcohols of low molecular weight are:

Choose an answer

Soluble in water

Insoluble in water

Soluble in water on heating

Insoluble in all solvents

Formation of Picric acid from phenol needs heating, one possible reason for it is

Choose an answer

acidity of phenol

e- donating nature of-OH

acidity of picric acid

e- with drawing effect of- NO2

Which of the following ketone will not give iodoform test

Choose an answer

Methyl isopropyl ketone

Dimethyl ketone

Ethyl isopropyl ketone

2-hexanone

Which will not react with phenol

Choose an answer

NaOH

Br2

KMn04/OH-

Na

The synthesis of ethene from ethyl alcohol is a reaction

Choose an answer

Dehydration

Polymerization

Addition

Substitution

Which one of the following is more acidic

Choose an answer

Phenol

Carboxylic acid

Alcohols

Amines

ln ethyl alcohol, the bond that undergoes heterolytic cleavage most readily is

Choose an answer

C-C

C-O

C-H

O-H

The red brown ppt. of Fehling solution and benedict solution tests are of

Choose an answer

Ag

Cu2O

CuO

AgBr

In which of the following types of reactions are the carbonyl compounds and alkene are similar in behaviour

Choose an answer

Nucleophilic addition

Electrophilic addition

Nucleophilic suhstitution

Catalytic hydrogenation

Relative acidic strength of alcohol, phenol, water and carboxylie acid is

Choose an answer

Carboxylic acid > Alcohol > Phenol > Water

Carboxylic acid > Phenol > Water> Alcohol

Water > Alcohol> Phenol > Carboxylic acid

Phenol > Carboxylic acid > Alcohol> Water

Tertiary alcohols have alpha bydrogens

Choose an answer

1

Zero

2

3

Which alcohol is most reactive towards sodium metal?

Choose an answer

Ter Butyl alcohol

n-Propyl alcolol

Isopropyl alcohol

Have same reactivity

Which of the substance is not going to react the sodium metal:

Choose an answer

Acetic acid

Methanol

Di methyl ether

Ethanol

Which of the following is soluble in water?

Choose an answer

СН3ОН

CCL4

CHCI3

CS2

Which of the following gives positive haloform test and positive Fehling solution

Choose an answer

Acetone

Echanol

Acetaldehyde

Formaldehyde

Ethanol reacts with sodium metal to liberate

Choose an answer

CO2 gas

CO gas

H2 gas

Steam

To distinguish aldehyde from ketone which solution is used

Choose an answer

Alkaline solution

Fehling's solution

A solution containing K2Cr2O7

A solution containing acid only

Reactivity of carbonyl compounds is due to

Choose an answer

Electrophilic carbon

Less stearic hindrance

Unsaturation of Co

Polarity of bond

Which reactant does hnof liberate water on reaction with alcohol

Choose an answer

NH3

K2Cr2O7/15H2O

HCI

PCI3

Phenol is colourless, crystalline and solid

Choose an answer

Hygroscopie

Deliquescent

Moistening

Odourless

Acetaldchyde and ketone form addition product with

Choose an answer

Phenyl hydrazine

Hydroxylamine

Hydrazine

hydrogen cyanide

Which of the follwing dnes not give brick red precispitate wits Fehling's solution

Choose an answer

Acetaldehyde

Formalin

prorionaldehyde

Acetone

Temperature required for the dehydration of ethanol into ethene in the presence of HaSOu is

Choose an answer

130°C

170°C

175°C

180°C

The strongest conjugate base is

Choose an answer

OH-

CH3O-

C6H5O-

CH3COO-

Esterification of CH3COOH isreaction

Choose an answer

Acid base

Electrophilic

Redox

Nucleophilic

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer