Repairing damaged Quraans from the musjid and keeping few copies at home

Q: My husband bought some damaged Qurans from the local masjid to our home around 18 months ago. He repaired the broken spines and returned many. However he has kept a few in our house and also in my in laws house because they are large print. At the time I raised my concern they are community property. Im concerned they are waqf, perhaps donated by someone in the community for local charity, and now we have them in our house and my in laws house. Neither house (mine or my in laws) refers to them.

Should we return the Qurans or keep them? If we must return them what should we do as repentance?

Will divorce take place if one tells someone that he will divorce his wife?

Q: Please advise if talaaq takes place in the following incidents:

1. Telling my wife that we will get divorced.

2. Telling my brother in law and wife that I have decided (meaning that I have decided that I want to and will divorce my wife).

3. Telling my father in law that my wife and I both decided that it is best for us to get divorced.

4. Telling my mother that there's no other option (meaning that there's no other option for my wife and I other than getting divorced)