I) Slow reactons : In case of ionic compounds reactions takes place fastly i.e., rate is high
`NaCl+AgNO_(3) to NaNO_(3)+AgCl`
ii) Slow reacton : In case of covalent compoudn reactions takes place slowly i.e., rate is low.
`CH_(3)COO _(2)H_(5)+H_(2)Ooverset(H^(+))toCH_(3)COOH+C_(2)H_(5)OH`