Is `Iddah Necessary after Khul`?

She asked for khul‘ so he divorced her (talaaq) and refused to take the mahr. Is the talaaq valid, and what is the difference between talaaq and khul‘?

Ruling on khul‘ during menses; should the menstrual cycle during which the khul‘ occurred be counted?

Stipulating acceptance of khul‘ in a single meeting

The difference between khul‘, talaq and faskh (ways of ending a marriage)

Questions regarding divorce in return for letting the husband off the mahr or some other obligation, divorce during menses, and denying paternity of the child

The qaadi (judge) granted his wife an annulment of the marriage by khula‘ in his absence without his knowledge

She hates her husband and is asking whether he or her father have the right to force her to stay with him, and what are his rights over her if she resents him??

She suffers from bipolar disorder and asked her husband for khula‘

His wife asked him for khula‘ and he agreed to that on condition that she return some things to him, and she accepted that; then he had intercourse with her after that