HKDSE Chemistry Question Review (20240610)
09/06/24 20:54
Gold is inertia at room temperature.
(a) Write down the chemical formula for Gold Nitrate(V).
(b) What will happen if you heat the said chemical? Justify your answer with appropriate models.
09/06/24 20:55
Gold is inertia at room temperature.
(a) Write down the chemical formula for Gold Nitrate(V).
(b) What will happen if you heat the said chemical? Justify your answer with appropriate models.
Gold is inert at room temperature.
10/06/24 02:19
Solution:
(a) Au(NO3)3
(b) Since Gold atom is stable, Gold ions will be thermodynamically unstable. This implies the nitrate(V) ions will be decomposed completely:
2 Au(NO3)3 --> 2 Au + 6NO2 + 3O2