Derive a series of reactions to convert benzene into meta-chlorobromobenzene. Select a reagent and condition from following table listing them in the order of use: 1. Conc. H 2 SO 4 , △ 2. Cl 2 + FeSO 3 and heat 3. NaNO 2 + HCL ° C 4. H 2 Pt catalyst 5. Mg in ether 6. PBR 3 7. H 3 PO 4 8. HNO 3 ( Conc . ) + H 2 SO 4 ( Conc . ) 9. CuBr 2 + HBr 10. CH 3 CO 2 O + Pyridine

8 then 4 then 10 then 2 then 3 then 9

MEDIUM

JEE Advanced

IMPORTANT

Earn 100

Arrange in order of decreasing trend towards electrophilic substitution reactions: Chlorobenzene (I), benzene (II), toluene (III), anilinium chloride (IV)

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Important Questions on Aromatic Compounds and Alkyl and Aryl Halides

MEDIUM

JEE Advanced

IMPORTANT

Daily Practice Problems (DPP) Organic Chemistry Part 2 JEE Main and Advanced>Chapter 3 - Aromatic Compounds and Alkyl and Aryl Halides>DPP 3.2>Q 9

Nitrobenzene can be prepared from benzene by using a mixture of conc.

{HNO}_{3}

and conc.

H_{2} {SO}_{4}

. In the nitrating mixture

{HNO}_{3}

acts as a:

MEDIUM

JEE Advanced

IMPORTANT

Daily Practice Problems (DPP) Organic Chemistry Part 2 JEE Main and Advanced>Chapter 3 - Aromatic Compounds and Alkyl and Aryl Halides>DPP 3.2>Q 10

Consider following groups:

Question Image

Which can donate electrons by resonance and can withdraw electrons inductively?

MEDIUM

JEE Advanced

IMPORTANT

Daily Practice Problems (DPP) Organic Chemistry Part 2 JEE Main and Advanced>Chapter 3 - Aromatic Compounds and Alkyl and Aryl Halides>DPP 3.2>Q 11

Among the following statements on the nitration of aromatic compounds, the false one is:

MEDIUM

JEE Advanced

IMPORTANT

Daily Practice Problems (DPP) Organic Chemistry Part 2 JEE Main and Advanced>Chapter 3 - Aromatic Compounds and Alkyl and Aryl Halides>DPP 3.2>Q 12

The reaction of benzene with

CO

and

HCl

in the presence of anhydrous

{AlCl}_{3}

gives:

HARD

JEE Advanced

IMPORTANT

Daily Practice Problems (DPP) Organic Chemistry Part 2 JEE Main and Advanced>Chapter 3 - Aromatic Compounds and Alkyl and Aryl Halides>DPP 3.2>Q 13

Derive a series of reactions to convert benzene into meta-chlorobromobenzene. Select a reagent and condition from following table listing them in the order of use:

1. Conc. $H_{2} {SO}_{4}, △$	2. ${Cl}_{2} + {FeSO}_{3}$ and heat	3. ${NaNO}_{2} + HCL ° C$	4. $H_{2}$ Pt catalyst	5. $Mg$ in ether
6. ${PBR}_{3}$	7. $H_{3} {PO}_{4}$	8. ${HNO}_{3} (Conc .) + H_{2} {SO}_{4} (Conc .)$	9. ${CuBr}_{2} + HBr$	10. ${({CH}_{3} CO)}_{2} O$ + Pyridine