Infernape is one of the Sinnoh starters therefore it can't be caught. You have to transfer it.
You catch them with a ultra ball
Yes you can catch Reshiram in Pokemon black and you can catch zekrom in Pokemon white hope it helped.
You can't catch entei in Pokemon black he is on a different version
No.
it is imposible
You can't catch one.You need to trade it from Pokemon Diamond/Pearl/Platinum version
you cant
You can't catch Dialga in Pokemon Black. You need to trade for it or transfer it from the older Pokemon DS games.
Throw a pokeball at it.
Pokemon Black Version and Pokemon White Version are the same game, except for the pokemon that are available to catch and for certain areas.
In Pokemon Black Version the legendary is Reshiram and Pokemon White its Zerkrom.The only way to get both is to transfer Zerkrom to Pokemon Black Version or Reshiram to Pokemon White Version.
you cant catch it in soulsilver. you have to trade it from diamond pearl or platinum.