What does below chemistry rebus means?

What has one eye, but can’t see?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

Below rebus represent famous DiCaprio movie. Can you name it?

What time is it when an elephant sits on a fence?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?