Question

preparation of m-nitroaniline from m-dinitrobenzene practical exam ​

Answer 1

Answer:

Add 101 g (55 ml) of concentrated sulphuric acid cautiously to 75 ml of water contained in a 1-litre beaker and introduce 35 g (0.25 mol) of finely powdered m-nitroaniline. Add 100-150g of finely crushed ice and stir until the m-nitroaniline has been converted into the sulphate and a homogeneous paste results.