Question

In the redox reaction, $Na+1/2H_2\to NaH$, choose the correct statement.

• A. $Na$ undergoes reduction
• B. $Na$ is oxidising agent
• C. $H_2$ is reducing agent
• D. $H_2$ undergoes reduction

Answer 1

Answer: (D)

$H_2$ undergoes reduction

$Na+1/2H_2\to NaH$
0 0 +1 -1
oxidation reduction
$H_2$ undergoes reduction and hence, it is an oxidising agent.
$Na$ undergoes oxidation and therefore, is reducing agent.