The Spider - 29:32 "He said, "But there is Lot there."They said, "We know well who is there. We will save him and his family, except his wife; she is one of those who will be left behind"."
Why not Lot's wife?
The Prohibition/66:10 "Allah gives the example of Noah´s wife and Lot´s wife to the disbelievers. They were under the marriage of two righteous servants, but they betrayed them. Their husbands could not ward off anything from Allah. They were both told, "Enter Hell with those who enter it."