Question about Dell C1422H Portable Monitor

No. The Switch, or Nintendo, does not have a standard implementation of the video signal. This means that you need an adapter that pretends the Switch has the Nintendo dock and then outputs the video signal via HDMI. But I don't know if this monitor understands an HDMI signal via Type-C.

Example: YCCTEAM Switch Dock -> HDMI to USB Type-C -> Dell monitor. You have to try it