Q.1.
Aromatic compounds burn with sooty flame because
Q.2.
Select the incorrect statement.
Q.3.
The compound ?A? having formula C8H(aromatic) which gives 1 mononitro substitute and 3 nitrosubstitute compound is
Q.4.
Pyridine is less basic than triethylamine because
Q.5.
Which of the following has lowest knocking property
Q.6.
Among the following statements on the nitration of aromatic compounds, the false one is
Q.7.
Most common reactions of benzene (aromatic hydrocarbon) and its derivatives are
Q.8.
Coaltar is main source of
Q.9.
A detergent is a
Q.10.
Freon used as refrigerant is chemically
Q.11.
Which one is the simplest aromatic hydrocarbon?
Q.12.
Wax used for making candle is chemically a mixture of
Q.13.
Which of the following is an incorrect description of benzene?
Q.14.
Which of the following statements is true for benzene?
Q.15.
Which of the following is not a characteristic property of arenes?
Q.16.
Stability sequence: primary carbocation > secondary carbocation > tertiary carbocation. Is this sequence correct?
Q.17.
Select the correct statement regarding the aromatic nitrogen molecule
Q.18.
Which of the following is a characteristic of an aromatic compound?
Q.19.
Aromatic rings do not have resonance structures
Q.20.
Which of the following is the reactive species in the nitration of benzene?