In Ohio, which of the following firearms is NOT permitted to be carried as a concealed weapon?

In Ohio, shotguns cannot be carried as a concealed weapon because they are too large and not easily concealable. Handguns, on the other hand, are permitted as long as the carrier has a valid concealed handgun license. Automatic rifles, while legal to own in Ohio, are not allowed to be carried as a concealed weapon, as they are classified as a dangerous ordnance. Therefore, option B, shotgun, is incorrect because it is not permitted to be carried as a concealed weapon in Ohio.