The Gunners take on their fierce rivals on Sunday.
The Gunners welcome the champions to the Emirates this weekend, with both having had entirely different seasons so far.
While Arsenal have challenged at the top of the table, Chelsea have endured a disastrous campaign as they sit 14th in the table and just four points away from the relegation zone.
They have failed to beat their fierce rivals in their last eight league games, with manager Arsene Wenger having famously failed to beat former manager Jose Mourinho in the Premier League.
Their corresponding form means this is an excellent chance for his side to end that run, and Henry says that a win would be a statement from his old side, but it could provide a mixed message nonetheless.
"What better chance will Arsenal have to play against the wounded Premier League champions, at home, and make a statement that they are in for the title?" he told Sky Sports.
"Despite that, I feel this game could deliver a mixed message because Chelsea are not performing at the moment.
"If Arsenal go and hammer Chelsea people will attribute that to Chelsea's poor form. However, if Arsenal win a tight game people will say they suffered against Chelsea. We will see on Sunday what they can do.”
If Arsenal are to beat Chelsea on Sunday, much will likely rest on if Mesut Ozil is fit for the game.
The German has been in sensational form this season, but was sorely missed in the recent 0-0 draw with Stoke City.
His side sorely missed his inventiveness in that game and would likely struggle in a similar manner against Guus Hiddink’s side if he were absent once more.