Alcohols, Phenols and Ether Test

Result

Alcohols, Phenols and Ether Test - 20

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Weekly Quiz Competition

Question 1
4 / -1

An ether is more volatile than an alcohol having the same molecular formula. This is due to

A
dipolar character of ethers

B
alcohols having resonance structures

C
intermolecular hydrogen bonding in ethers

D
intermolecular hydrogen bonding in alcohols
Question 2
4 / -1

In Williamson's synthesis

A
an alkyl halide is treated with sodium alkoxide

B
an alkyl halide is treated with sodium

C
an alcohol is heated with conc. H₂SO₄ at 130°C

D
None of the above
Question 3
4 / -1

The cleavage of an aryl-alkyl ether with cold HI gives

A
alkyl iodide and water

B
aryl iodide and water

C
alkyl iodide, aryl iodide and water

D
phenol and alkyl iodide

Solution
Question 4
4 / -1

Which of the following compounds when heated with CO at 150°C and 500 atm pressure in the presence of BF₃ forms ethyl propionate ?

A
C₂H₅OH

B
CH₃OCH₃

C
C₂H₅OC₂H₅

D
CH₃OC₂H₅

Solution
Question 5
4 / -1

Ethyl chloride reacts with sodium ethoxide to form a compound A. Which of the following reactions also yields A ?

A
C₂H₅Cl, KOH (alc. ), ∆

B
2C₂H₅OH, conc. H₂SO₄ , 140° C

C
C₂H₅Cl, Mg (dry ether)

D
C₂H₂ , dil ∙ H₂SO₄ , HgSO₄

Solution
Question 6
4 / -1

Diethyl ether on heating with conc. HI gives two moles of

A
Ethanol

B
Iodoform

C
Ethyl iodide

D
Methyl iodide

Solution
Question 7
4 / -1

In CH₃CH₂OH, the bond that undergoes heterolytic change most readily is

A
C-C

B
C-O

C
C-H

D
O-H
Question 8
4 / -1

Which one is formed when sodium phenoxide is heated with ethyl iodide?

A
Phenetole

B
Ethyl phenyl alcohol

C
Phenol

D
None of these

Solution
Question 9
4 / -1

Picric acid is

A
Trinitrotoluene

B
Trinitroaniline

C
A volatile liquid

D
2,4,6-Trinitrophenol
Question 10
4 / -1

The compound which can form intramolecular hydrogen bond is

A
m-Hydroxybenzaldehyde

B
Salicyladehyde

C
Benzaldehyde

D
p-Hydroxybenzaldehyde

Solution