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Which one of the following properties sh...

Which one of the following properties shows that hydrogen resembles alkali metals ?

A

It shows metallic character like alkali metals.

B

It is diatomic llike 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.

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The correct Answer is:
4
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.`
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