GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A compound has the formula Al2O3 . What are the correct number of elements in the formula?
A
2 x Aluminium, 3 x oxide
B
2 x Ammonium, 3 x oxide
C
2 x Ammonium, 3 x oxygen
D
2 x aluminium, 3 x oxygen
Explanation: 

Detailed explanation-1: -That’s 2 aluminum atoms for every 3 oxygen atoms.

Detailed explanation-2: -The chemical formula for Aluminium oxide is Al2O3 which is an inorganic chemical reagent . Two Aluminium atoms bond with two oxygen atoms each to form the structure of aluminum oxide, which means it has three oxygen atoms.

Detailed explanation-3: -Answer and Explanation: Oxygen is an electronegative element and the oxidation state of oxygen is-2. The oxidation number of ‘Al’ in Al2O3 A l 2 O 3 is +3.

Detailed explanation-4: -Aluminium oxide (or Aluminium(III) oxide) is a chemical compound of aluminium and oxygen with the chemical formula Al 2O 3. It is the most commonly occurring of several aluminium oxides, and specifically identified as aluminium oxide.

There is 1 question to complete.