She is asking for a divorce for no reason. Can he take back the mahr?

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Check below answers in case you are looking for other related questions:
What are the rights of the husband and what are the rights of the wife?
Khula’: definition and how it is done

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Related Answers:
Is it permissible to divorce a woman who is breastfeeding?
They became Muslim after they got divorced and they have a daughter. What are the rights of both of them?
She does not want to stay with her husband who is a bad person; can she claim that he raped her or beat her in order to get separation from him?
What are the rights of the husband and what are the rights of the wife?
Khula’: definition and how it is done

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