How will you carry out the following conversions?

1.  Toluene -> p-toluidine

2.  p-toluidine diazonium chloride -> p-toluic acid


 
(i) Conversion of toluene to p-toluidine can be done as
 
 
(ii) Conversion of p-toluidine diazonium chloride to p-toluic acid can be done as