Infield fly rule.
Yes. If the first baseman tags out the batter on his way to first, the three existing runners can return to their original bases; none can be "forced out."
That is called a "Grand Slam".
Yes
He can be called out for purposely getting hit.
Runner is out.
Yes. This would be recorded as a single on FC which means Fielders Choice. The fielder could have thrown to first base but he threw home instead so the runner was safe on a FC.
no.Unless the first baseman is touching first base.
In baseball there are many ways in which a triple play can be performed. If bases are loaded and the third baseman stops a ground ball, tags his base, throws the ball to second base, and the second baseman throws the ball to first base, that would be one example of a triple play.
Over the fence hit and three players out on appeal for missing bases.
It is a balk. Same for the first baseman.
Good question. The only thing that would be close to a WILD PITCH RBI would be if the batter swung at the pitch for a third strike, which of course the catcher couldn't catch. There would have to be a runner on third, and the batter would have to be safe at first on the dropped third strike rule. I do not believe that this would truly be an RBI though, because technically, a dropped third strike is like a walk, the batter is not credited with a hit.
Yes, The Batter is counted an RBI for every run he bats in regardless of whether he was safe or not.