Hydrocarbons Te...

When two hydrogen atoms in benzene are replaced by two similar or different monovalent atoms or groups, how many different position isomers are possible?

The unusual behavior of benzene is explained by

Aromatic compounds are charachterized by the presence of _____ π electrons in the ring where n is an integer (n = 0, 1, 2, . . .).

Which of the following method is not a synthetic method for production  of Benzene?

In Friedel-Crafts alkylation reaction, when benzene is treated with an alkyl halide in the presence of a catalyst, alkylbenene is formed. The catalyst used is

Some of the polynuclear hydrocarbons having fused benzene ring system have the property of being

Arrange the following in decreasing order of their boiling points. (A) n–butane (B) 2–methylbutane (C) n-pentane (D) 2,2–dimethylpropane

Arrange the halogens F₂, Cl₂, Br₂, I₂,in order of their increasing reactivity with alkanes.

The increasing order of reduction of alkyl halides with zinc and dilute HCl is