Question

Решите цепочку
CuO-x1-x2-x3-CuO

Answer 1

$CuO + H_2 =^t Cu + H_2O\\3Cu + 8HNO_3 (dilute) = 3Cu(NO_3)_2 + 2NO + 4H_2O\\Cu(NO_3)_2 + 2NaOH = Cu(OH)_2 + 2NaNO_3\\Cu(OH)_2 =^t CuO + H_2O$

$x_1 = Cu\\x_2 = Cu(NO_3)_2\\x_3 = Cu(OH)_2$