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Redox Reactions — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryRedox Reactions2 Marks
Question
Why is potassium a highly reactive metal, whereas gold is a noble metal?
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Answer

'K' has low ionisation enthalpy and has low reduction potential, therefore, it is highly reactive metal whereas 'Au' has high reduction potential, therefore, it is a noble metal.

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