What is the ruling on one who swore on the Mushaf (Qur’an) when he was not in a state of purity?

She Vowed to Fast Nine Days of Dhul-Hijjah but Her Husband Refused: What Should She Do?

He swore that he would never do a certain thing in his life, and stipulated that he would fast for thirty consecutive days if he did it, and if he did not fulfill that obligation, then he would fast for sixty consecutive days – and he has broken his

She vowed to sacrifice two sheep; can she give them to provide iftaar to people who are fasting?

Does clicking on the “I swear by Almighty Allah” button on some CDs count as an oath? Is it within their rights to prevent the purchaser from doing what he wants with it?

A vow to do something that Allah has made obligatory and enjoined upon people is not valid

A Catholic woman promised Allah that she would not get married if Allah forgave her sins, then she became Muslim

She swore that she would not speak to her and she sent her a text message; has she broken her oath?

Ruling on one who swears about something based on what he thinks is likely to be the case, then it turns out to be otherwise

Her mother died and she had vowed to sacrifice a sheep; can her daughter give the cash value instead?