  The detection of slow nucleons in semi-inclusive electron scattering
processes off the deuteron, 2H(e, e'N)X, is a very promising tool for the
extraction of model-independent information on the neutron structure function
F2n(x, Q**2). The key point is the occurrence of a peculiar scaling property of
the semi-inclusive cross section, which holds in the deep-inelastic regime as
well as in the nucleon-resonance production regions. Moreover, the possibility
to get unique information on the neutron asymmetry A1n(x, Q**2) from polarised
2H_pol(e_pol, e'N)X processes is illustrated.
