The home side took just 90 seconds to open the scoring when Nicklas Bendtner scored his first Premier League goal since 2010 with a deft header.
The Gunners had to wait until the second period to extend their lead, but the goal came after 47 minutes when Mesut Ozil found the bottom corner from close range.
Read how it all unfolded in Sports Mole's minute-by-minute live commentary of the action below.
ARSENAL: Szczesny; Jenkinson, Mertesacker, Koscielny, Monreal; Flamini, Ramsey; Rosicky, Cazorla, Ozil; Bendtner
HULL CITY: McGregor; Figueroa, Chester, Bruce, Elmohamady; Meyler, Huddlestone, Livermore; Brady, Graham, Sagbo