Question
Chemistry Question on GROUP 1 ELEMENTS
The compound which does not exist.
A
BeCl2
B
NaO2
C
PbEt4
D
(NH4)2 BeF4
Answer
NaO2
Explanation
Solution
The compound that does not exist is Nao2. The correct formula for the compound should be Na2O, which is sodium oxide.
BeCl2, PbEt4, and (NH4)2BeF4 are all valid chemical compounds. BeCl2 is beryllium chloride, PbEt4 is tetraethyllead, and (NH4)2BeF4 is ammonium beryllium fluoride.
**Answer. **B