Q.arrowhead plant
Arrowhead plant leaves are getting brown dry tips. What’s wrong?

This could be due to light conditions, watering problems, lack of humidity and even a build up of salts in the soil.
Use distilled water or let the tap water sit out 48 hours before using on your plant.
This link will refresh you on the care requirements.
https://www.gardeningknowhow.com/houseplants/arrowhead-plant/arrowhead-plant-care-arrowhead-plant-or-syngonium-podophyllum.htm