But while Jurgen Klopp's side dominated the first period, they were later left to rue missed chances.
Arsenal scored three goals in quick succession, inside five minutes to be exact, helped by some lackadaisical Liverpool defending and calamitous goalkeeping from Simon Mignolet. The pair have struggled in front of goal recently, however, Friday's game against a top-six rival could be the motivation needed to end their barren run.
Liverpool are unbeaten in their last nine PL outings and sit one point clear of fifth-placed Arsenal, who will be desperate to leapfrog Klopp's men and get back into the UEFA Champions League contention.
Mo Salah made it 2-0 for the reds when he curled in a shot after receiving assistance from Roberto Firmino.
In terms of team news, Arsenal are set to welcome German defender Shkodran Mustafi back into the line-up following a three-week spell on the treatment table after picking up a thigh injury earlier in the month.
Liverpool head to Arsenal for the 94th time in their history on Friday night, having won 22 times at the Gunners' home, suffering 40 defeats.
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Mohamed Salah says that he is confident Liverpool will know success in one of the competitions they are involved in this season.
Firmino's drive narrowly cleared the crossbar just after the half-hour mark and Cech then had to deny Salah after Koscielny's slip let the Egypt worldwide in, with Sadio Mane acrobatically turning the rebound over.
"We are friends", he added.
At Arsenal in the Premier League, Liverpool have won 7 and lost 9 of the 25 meetings.
Emre Can threaded a pass through to Firmino, before his strike eventually found the back of the net as Cech failed to get a strong enough hand on the ball and prevent Liverpool from finding an equaliser.
Sanchez nearly beat Mignolet at his near post before the late introduction of Alex Oxlade-Chamberlain off the bench created the enticing possibility of the former Gunners midfielder punishing his former employers.