You cant
Use a Master ball on Suicune but there is an easier way get Suicune. Catch a Pokemon who has the ability of spell tag.
there isn't a wild suicune to catch in white or black
yes
You use a masterball
no
no
with a pokeball. Suicune only apears if you choose charmander as your starter.
you can find suicune all over kanto but not at the sevii islands and you can catch him with a ultra ball only if his life is at red and he has a status problem. you can trust me i'v been playing for over eight years.
Zapdos, Articuno, Moltres, Mewtwo, Entei/Raikou/Suicune (depends on what starter you chose).
the clear bell
Where you find Misty.
find it and catch it simple