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Preparation of Alkanes with Grignard Reagent

The change in...

Question

The change in oxidation number of the underlined element in the reaction given below is__________.
$N a H C - - O_{3} + H C l \to N a C l + H_{2} O + C O_{2}$

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Solution

The change in oxidation number of the underlined element in the reaction given below is 0.
$N a H C - - O_{3} + H C l \to N a C l + H_{2} O + C O_{2}$ The oxidation number of C in both $N a H C O_{3}$ and $C O_{2}$ is +4.

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