One other thing that came to my mind about this story.
According to the Bible Jehovah god created all things relating to the garden of Eden right ? So he must have also gave the snake the power to talk/communicate with Eve ?
If Satan gave the snake the power to talk/communicate with Eve he must have been on an equal footing with Jehovah ,as Jehovah said to his peers "the man has become like one of us" Gen.3:22
That is also a good point dogisgood ,thats what my teenage son would say to me many years ago the tree of life is the one Eve should have eaten from.