Within two minutes of that Chelsea regained the aggregate lead, but that seemed a fragile guarantee.
The Senators took a 2-1 aggregate lead early at the Garden.
It was the midfielder's third goal for the club and took City to a 6‑0 aggregate lead.
The immediate development after the interval, though, was a fine chance for Liverpool to extend the aggregate lead.
Despite a Nanna Christiansen equaliser, City held on to their aggregate lead and progressed to the last eight of Europe's elite club competition.
Salzburg looked to be heading through after the Austria international Valentino Lazaro lashed them into a 2-1 aggregate lead with a spectacular strike off the woodwork.
The veteran defender, making his 150th – and now last – European appearance, handed Zenit's star forward Hulk a goal that gave the Russians a 3-0 aggregate lead.
Jones gave Spurs an aggregate lead with a left-foot drive, before completing a first-half hat-trick after just 33 minutes.
Accrington were closing on a maiden Wembley trip, yet their aggregate lead lasted only nine minutes as the unmistakable Akinfenwa scored for the seventh time this term.
Spurs took a 1-0 lead from the first leg through Clive Allen, who drew first blood in the second leg for a 2-0 aggregate lead.
From one such run, after 77 minutes, that would have exhausted weaker players, he gave United a 3-1 aggregate lead that assured their progress.
