Possibly. A monochrome filter will help out a lens with chromatic aberrations.
Originally Posted by RalphLambrecht
But - putting a multicoated filter on a single coated (or uncoated) lens will not make it perform like a multicoated lens. It can't, if you think it through. There are all of the un- or single coated surfaces there in and on the lens, reflecting precisely as they always do. A far more effective approach would be to use a proper lens shade, which will make a huge difference in how an uncoated lens performs.