Write any two methods of preparation of nitrobenzene

Explain any two methods of preparation of diborane. Write the reactions of B_2 H_6 with a) H_2 O b) CO. Give equations.

Describe two methods for the preparation of acetone.

Suggest a route for the preparation of nitrobenzene starting from acetylene ?

The rate determining step for the preparation of nitrobenzene from benzen is

What are monohydric alcohols and how are they classified? Give any three methods of preparation of ethyl alcohol.

Write the method of preparation of XeF_2, XeF_4 & XeF_6 .

Describe the important methods for the preparation of alkenes.

Write any two uses of pyrophoric alloys.

Which of the following is an appropriate set of reactants for the preparation of 1-methoxy-4-nitrobenzene and why?