
why are metallic elements which form ionic oxides basic and why are non-metal oxides which are covalent acidic?
Why are metal oxides base and non-metallic oxides acid? please use organic chemistry's knowledge.
3) Metal oxides become less basic (more acidic) as the oxidation state increases. Explain w be specific! (2 marks)
Oxides can either be acidic or basic, based on the type of the bonding in the oxide. Covalent oxides tend to be acidic, while ionic oxides tend to be basic. Arrange the following oxides in order of increasing acidity Note: 1 = most acidic; 6 = least acidic P&O 10 [Select] CaO (Select] SiO2 | Select] N2O5 [Select] Al2O3 [Select)
Q7) A 1.23 g sample, which contains gold (Au), silver (Ag) and metal oxides, is treated with concentrated nitric acid (HNO;), which dissolves all the metals and metal oxides with the exception of the gold. The mass of yellow metal remaining is 7.4 x 10 g. The solution is then treated with aqueous sodium chloride (NaCI), which precipitates silver chloride (AgCI) and nothing else. A total of 0.196 g of AgCl is obtained. What is the percent gold and silver...
Classify these oxides as acidic, basic, or amphoteric. Acidic Basic Amphoteric MgO Br207 K20P4010 Al203
For these three oxides, state whether each one is acidic, basic or amphoteric. Explain how cation oxidation state can be used to help predict acid/base behavior. CrO CrO3 Cr2O3 (a) Briefly explain what amphoterism means; (b) Choose an amphoteric molecular compound and indicate its chemical reaction with an acid and with a base.
Amphoteric oxides exhibit both acidic and basic properties. True False
4. Imagine that you are given two metal oxides to study in the lab. You heat each oxide in a small test tube and then insert a glowing splint into each. You observe that the splint in tube 1 immediately ignites and burns with a steady flame before it dies, but the splint in tube 2 does not. a) (2 pts) What happened to the metal oxide in tube 1 when it was heated? b) (4 pts) Do both metal...
Reaction of metals with Oxygen: metal + O2 (air) --> metal oxides Metals used: iron, tin, copper, magnesium, aluminum, and zinc 1) of these metals, do any burn (react) with oxygen? 2) Could you suggest an ingredient for making flares?