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a
Elemental sodium can be prepared and isolated by electrolysing an aqueous solution of NaCl
b
Elemental Na is a strong oxidising agent
c
Elemental Na is insoluble in NH3
d
Elemental Na is easily oxidised
answer is D.
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Detailed Solution
→ Electrolysis of aqueous NaCl can't gives elemetal "Na"Na+ + OH- → NaOHPRODUCTS ARE : H2,Cl2 & NaOHWhere as fused NaCl gives elemental sodium during electrolysisPRODUCTS: Na,Cl2→ Elemental Na is a strong reducing agent [E- donor] Na → Na+ + e-→ Elemental sodium is soluble in NH3Element Na is easily Oxidised to Na+ ion