Question
Chemistry Question on p -Block Elements
Identify the incorrect statement from the following
A
Alkali metals react with water to form their hydroxides
B
The oxidation number of K in KO2 is +4.
C
Ionisation enthalpy of alkali metals decreases from top to bottom in the group.
D
Lithium is the strongest reducing agent among the alkali metals.
Answer
The oxidation number of K in KO2 is +4.
Explanation
Solution
Oxidation number of K in KO2 is not +4 but it is +1