Compound A is treated with ethanolic NaCN to give the compound `C_2H_5CN`(B) compound B on reduction gives compound C. identify compounds A and C.

Compound A on reaction with Cl_(2) , Fe Cl_(3) forms a compound B, compound B on reaction with Sn and HCl froms m-chloroaniline. The compound A is :

Philosopher's wool when heated with Bao at 1100°C gives the compound:

Can you write the structural formula of the compound C_2H_4 ?

When benzene is treated with chloroine in the presence of sunlight a compound which is commonly used as an insecticide is formed.Identify the compound obtained.

Primary alkyl halide C_4 H_9 Br (a) reacted with alcoholic K O H to give compound (b). Compound (b) is reacted with HBr to give (c) which is an isomer of (a). When (a) is reacted with sodtum metal it gives compound (d), C_ 8 H_ 18 which, is different from the compound formed when n-butyl bromide is reacted with sodium. Give the structural formula of (a) and write the equations for all the reactions.