The violent reaction between sodium and water is an example of :
A
reduction
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B
oxidation
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C
redox reaction
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D
neutralisation reaction
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Solution
The correct option is C redox reaction Reaction: Na+H2O→NaOH+(1/2)H2 0 +1 +1 0 The oxidation state of Na changes from 0 to +1 while that of H from +1 to 0. Here, oxidation state of reactants changes so, it is a redox reaction.