Question

Test tubes ‘A’ and ‘B’ initially have a brown colour solution known as bromine water.On passing methane in test tube ‘A’ ,there is no change whereas on passing ethene in test tube decolourisation of bromine water takes place. i) Write the reaction between ethene and Br2 water. ii)State the type of reaction. iii)Account for the decolourisation of bromine water in test tube ‘B’. CLASS 10 CBSE

Answer 1

Answer:

saturation reaction

Explanation:

it is the test to detect the nature of compound i.e it is saturated or unsaturated

br2 changes colour in presence of unsaturated compound as it makes the compound saturated.