Question
Question: Which one of the following properties shows that hydrogen resembles alkali metals ?...
Which one of the following properties shows that hydrogen resembles alkali metals ?
A
It shows metallic character like alkali metals.
B
It is diatomic like alkali metals.
C
Its ionization energy is of the same order as that of alkali metals.
D
When hydrogen halides and alkali metal halides are electrolysed, hydrogen and alkali metals are liberated at the cathode.
Answer
When hydrogen halides and alkali metal halides are electrolysed, hydrogen and alkali metals are liberated at the cathode.
Explanation
Solution
Hydrogen and alkali metals are electropositive their electronegativity is very less i.e. H – 2.1, Li 1.0, Na 0.9, k = 0.8, Rb = 0.8