Question

Oxidation number of sodium in sodium amalgam

Answer 1

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The Oxidation State of Sodium in Sodium Amalgam is Zero. This is due to the fact that Sodium Amalgam is an alloy not a compound.

Answer 2

Hҽყα

➡️The oxidation number of Sodium would be +1 as all group 1 metals are always +1. Mercury in Sodium Amalgum even though it is usually +1 would have an oxidation number of -1, as  

✅Mercury is less electropositive, or less likely to donate electrons than Sodium , it takes on the -1 charge in this case.  

➡️The sum of oxidation numbers in a neutral compound should always add up to zero i.e -1+1 = 0.