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Question

Given below are two reaction of water with sodium and carbon dioxide, what is the nature of water in these reaction?
(i)2Na+2H2O2NaOH+H2
(ii)6CO2+12H2OC6H126+6H2O+6O2

A
In (ii) water acts as an oxidising agent and in (i) it acts as a reducing agent
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B
In (i) water acts as an oxidising agent and in (ii) it acts as a reducing agent
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C
In both (i) and (ii) hydrogen acts as a reducing agent
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D
In both (i) and (ii) hydrogen acts as an oxidizing agent
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Solution

The correct option is B In (i) water acts as an oxidising agent and in (ii) it acts as a reducing agent
With sodium metal water acts as an oxidizing agent gets reduced to H2 and with CO2 water acts as a reducing agent and is oxidized to oxygen

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