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
Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO3 and conc. H2SO4. In the nitrating mixture HNO3 acts as a:
MEDIUM
JEE Advanced
IMPORTANT

Consider following groups:

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

MEDIUM
JEE Advanced
IMPORTANT
Among the following statements on the nitration of aromatic compounds, the false one is:
HARD
JEE Advanced
IMPORTANT

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.  H2SO4,  2. Cl2 + FeSO3 and heat 3. NaNO2+HCL°C  4. H2Pt catalyst 5. Mg in ether
6. PBR3 7. H3PO4 8. HNO3 (Conc.) + H2SO4 (Conc.) 9. CuBr2+HBr 10. CH3CO2O + Pyridine

 

HARD
JEE Advanced
IMPORTANT
Iodination of benzene is not easily carried out. How can one prepare para-iodobenzoic acid from p-nitrotoluene?
HARD
JEE Advanced
IMPORTANT
Which of the following alcohol would you expect to form a carbocation most readily in sulphuric acid?