Question

Найдите валентность меди и железа в следущих соединениях:a)Cu2O. CuO . b)FeO, Fe2O3 пожалуста

Answer 1

а) Cu(1), Cu(2)

б) Fe(2), Fe(3)

Answer 2

Cu(1)
Cu(2)
Fe(2)
Fe(3)

Answer 3

Valence of Copper (Cu) in Cu2O and CuO

In the compound Cu2O, copper (Cu) has a valence of +1. This is because oxygen (O) typically has a valence of -2, and since the compound is neutral, the sum of the charges must be zero. Therefore, two copper ions with a +1 charge each are needed to balance the -2 charge of the oxygen ion. In CuO, copper (Cu) has a valence of +2. This is because oxygen (O) typically has a valence of -2, and since the compound is neutral, the sum of the charges must be zero. Therefore, one copper ion with a +2 charge is needed to balance the -2 charge of the oxygen ion.

Valence of Iron (Fe) in FeO and Fe2O3

In FeO, iron (Fe) has a valence of +2. This is because oxygen (O) typically has a valence of -2, and since the compound is neutral, the sum of the charges must be zero. Therefore, one iron ion with a +2 charge is needed to balance the -2 charge of the oxygen ion. In Fe2O3, iron (Fe) has a valence of +3. This is because oxygen (O) typically has a valence of -2, and since the compound is neutral, the sum of the charges must be zero. Therefore, two iron ions with a +3 charge each are needed to balance the -6 charge of the three oxygen ions. Please let me know if there's anything else I can help you with!