How many isomeric disubstitution derivatives are possible for benzene molecule?
Benzene can form three isomeric disubstitution derivatives known as ortho, meta and para according to as the substituents attached to adjacent or diagonal carbon atoms respectively. 
Name the metal which is a constituent of Grignard's reagent.
Name the products formed when an ethereal solution containing ethyl iodide and methyl iodide is heated with sodium metal.
Alkanes are less reactive. Why?
Out of n-pentane, isopentane and neopentane which has lower boiling point?
During the pyrolysis of alkanes C-C bonds break in preference to C-H bond. Why?
Define cracking.
What is the function of iodic acid in the iodination of alkanes? Can we use any other substance in its place?
What is alternation effect?
Arrange the following compounds in order of their increasing boiling points:
n-Pentane, n-Hexane, Ethane, 2-2-Dimethylpentane, 2-Methylpentane.
Mock Test Series
