Currently F1 applied for H1b, can i also file OPT

[vtati]

Hi,

I'm currently pursuing MS in software engineering and i'm on F1. I recently got a full time offer and the company filed my H1B on Apr 1st 2012. I'm planning to graduate in July 2012. As per my knowledge the H1B start date will be from Oct 1st 2012. As i'm planning to graduate in July, I would like to file my OPT in May i.e with in the 90 days period, so that i can get the OPT and join the company who has filed my H1 on OPT after july and continue till Oct 1st and after Oct 1st i will be on H1B.

1st question : Can i apply the OPT when my H1b application is pending or approved.

2nd Question: Will there be any kind of query raised if i apply OPT when my H1b is approved or pending.

3rd Question: What will be my status when my H1B is approved till oct1st as the H1b start date is Oct1st.

Thanks

Gyana