The controlled solution spray process with superior molecular contacting between finely atomized reactants in impinging solution spray reactor was carried out with an objective to develop the nonionic surfactant (Tween-80) mediated coprecipitation protocol for the polymorph selective synthesis of lead chrome (PbCrO4) nanocrystals. Monoclinic PbCrO4nanorods with size in the range of 37.8-51.9 nm at Tween-80 loadings of 2-10 g/L were obtained. The functional group, surfactant adsorption, crystal type, size and morphology of the PbCrO4nanocrystals were determined by FTIR, XRD and FESEM analysis.