Electrophilic Aromatic Substitution Test

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Electrophilic Aromatic Substitution Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

Decreasing amount of ortho isomers of these compounds on nitration is

A
C₆H₅–F > C₆H₅ –Cl > C₆H₅ –Br > C₆H₅– I

B
C₆H₅–I > C₆H₅ –Br > C₆H₅ –Cl > C₆H₅– F

C
C₆H₅–I > C₆H₅ –Cl > C₆H₅ –Br > C₆H₅– F

D
C₆H₅–I > C₆H₅ –Br > C₆H₅ –F > C₆H₅– Cl
Question 2
1 / -0

Phenol can be converted into salicylaldehyde by which of the following reactions?

(i) Reimer-Tiemann reaction

(ii) Claisen- reaction

(iii) Kolbe-Schmidt reaction

(iv) HVZ reaction

A
Only (i)

B
(i) and (iii)

C
(i), (ii) and (iii)

D
only (iii) and (iv)
Question 3
1 / -0

When propyne is treated with aqueous H₂SO₄ in presence of HgSO₄, the major product obtained is

A
Propanal

B
n-Propyl hydrogen sulphate

C
Acetone

D
Propanol
Question 4
1 / -0

Benzene reacts with CH₃COCl in the presence of anhy. AlCl₃ to give

A
C₆H₅CH₃

B
C₆H₅Cl

C
C₆H₅COCl

D
C₆H₅COCH₃
Question 5
1 / -0

The formation of cyanohydrin from a ketone is an example of

A
Electrophilic addition

B
Nucleophilic addition

C
Nucleophilic substitution

D
Electrophilic substitution
Question 6
1 / -0

m-Chlorobenzaldehyde on reaction with conc. KOH at room temperature gives

A
Potassium m-chlorobenzoate and m-hydroxybenzaldehyde

B
m-Hydroxybenzaldehyde and m-chlorobenzyl alcohol

C
m-Chlorobenzyl alcohol and m-hydroxybenzyl alcohol

D
Potassium m-chlorobenzoate and m-chlorobenzyl alcohol
Question 7
1 / -0

In which reaction, an aromatic aldehyde is trated with acetic anhydride in presence of corresponding salt of the acid to give an unsaturated aromatic acid?

A
Friedel-Crafts reaction

B
Perkin’s reaction

C
Wurtz reaction

D
None of these
Question 8
1 / -0

When acetylene is passed through dil. H₂SO₄ in the presence of HgSO₄, the compound formed is

A
C₂H₅OH

B
acetone

C
carbide of Hg

D
CH₃CHO

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Electrophilic Aromatic Substitution Test - 2

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Electrophilic Aromatic Substitution Test - 2

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Question 1

C6H5–F > C6H5 –Cl > C6H5 –Br > C6H5– I

C6H5–I > C6H5 –Br > C6H5 –Cl > C6H5– F

C6H5–I > C6H5 –Cl > C6H5 –Br > C6H5– F

C6H5–I > C6H5 –Br > C6H5 –F > C6H5– Cl

Question 2

Only (i)

(i) and (iii)

(i), (ii) and (iii)

only (iii) and (iv)

Question 3

Propanal

n-Propyl hydrogen sulphate

Acetone

Propanol

Question 4

C6H5CH3

C6H5Cl

C6H5COCl

C6H5COCH3

Question 5

Electrophilic addition

Nucleophilic addition

Nucleophilic substitution

Electrophilic substitution

Question 6

Potassium m-chlorobenzoate and m-hydroxybenzaldehyde

m-Hydroxybenzaldehyde and m-chlorobenzyl alcohol

m-Chlorobenzyl alcohol and m-hydroxybenzyl alcohol

Potassium m-chlorobenzoate and m-chlorobenzyl alcohol

Question 7

Friedel-Crafts reaction

Perkin’s reaction

Wurtz reaction

None of these

Question 8

C2H5OH

acetone

carbide of Hg

CH3CHO

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C₆H₅–F > C₆H₅ –Cl > C₆H₅ –Br > C₆H₅– I

C₆H₅–I > C₆H₅ –Br > C₆H₅ –Cl > C₆H₅– F

C₆H₅–I > C₆H₅ –Cl > C₆H₅ –Br > C₆H₅– F

C₆H₅–I > C₆H₅ –Br > C₆H₅ –F > C₆H₅– Cl

C₆H₅CH₃

C₆H₅Cl

C₆H₅COCl

C₆H₅COCH₃

C₂H₅OH

CH₃CHO