Amongst the following the compound that can most readily get sulphonated is
benzene
toluene
nitrobenzene
chlorobenzene
Inductive effect involves:
displacement of σ-electrons
delocalisation of π-electrons
delocalisation of σ-electrons
displacement of π-electrons
Presence of halogen in organic compounds can be detected using
Leibig's test
Duma's test
Kjeldahl test
Beilstien's test