Ain't there any trick or pneumonic to learn(remember) the electrochemical series.......
I have one which covers almost all the important elements. However its in hindi.
Le ke bahar sardar ka naam mange ali mahan
Jan kar fenke cd koi niche suno prabhat hai kaun
Aayein aagye honge brahmanand pandit aur kalawati sona layi free me.
Elements- Li K Ba Sr Ca Na Mg Al Mn Zn Cr Fe Cd Co Ni Sn PB H Cu I Ag Hg Br Pd O Cl Au F