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Question

Chemistry Question on position of hydrogen in the periodic table

The property of hydrogen which distinguishes it from alkali metal is

A

its electropositive character

B

its affinity for non metal

C

its reducing character

D

its non-metallic character

Answer

its non-metallic character

Explanation

Solution

Hydrogen is a non-metal while all other members of group 1 (alkali metals) are metals. H−(aq)base 1+H2O(l)acid 2→OH−(aq)base 2+H2(g)acid 1\underset{\text{base 1}}{{H^-(aq) }}+ \underset{\text{acid 2}}{{H_2O(l) }} \rightarrow \underset{\text{base 2}}{{OH^-(aq) }} + \underset{\text{acid 1}}{{H_2(g) }}