No because generation 5 Pokemon don't exist in 4th gen.
No. Pokemon Black and White have new Pokemon that the past games' engines cannot recognize. Even if you battle with Pokemon from previous generations, they might be loaded with moves from the new generation.
No.
A fifth generation Pokemon is any Pokemon introduced as of the fifth generation of Pokemon games titled Black and White. The Pokemon considered to be generation five are Victini #494 to Genesect #649 any Pokemon between these two is a fifth generation Pokemon.
No because Pokemon Battle Revolution is a generation four game, while Pokemon Black and White are generation five games. There is no way to move Pokemon backwards through generations, but you can move Pokemon from older to newer generations.
Yes, because they are both Generation 4 Pokemon games.
A Razor Claw is a hold item in the Pokemon games that increases the critical hit ratio of the Pokemon that holds it. It can be won at the Battle Frontier in the fourth generation and on the Battle Subway in the fifth generation as well as on Route 13.
You cannot
It falls in the 6th generation of Pokemon games.
It is impossible to battle gba Pokemon with ds Pokemon. The only known communication between the two is the migrate Pokemon from the gba games to the ds game.
No. Generation V Pokemon are only available in generation V games.
2nd generation Pokemon
In the fourth generation of the Pokemon games, the master ball item is won from Cyrus after defeating him in a final battle. It can also be obtained in the Pokemon Lottery.