Q. Sodium amalgam is used as :

A
An oxidizing agent
B
A drying agent
C
A reducing agent
D
A source of Na
Solution:

Sodium amalgam , commonly denoted Na(Hg), is an alloy of mercury and sodium . The term amalgam is used for alloys , intermetallic compounds, and solutions (both solid solutions and liquid solutions) involving mercury as a major component .

Sodium amalgam has been used in organic chemistry as a powerful reducing agent , which is safer to handle than sodium itself . It is used in Emde degradation , and also for reduction of aromatic ketones to hydrols .

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