Which of the given reactions supports or suggests that ethanol is acidic in nature?

C H_{3} C H_{2} O H + N a \to C H_{3} C H_{2} O N a + \frac{1}{2} H_{2}

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C H_{3} C O O H + N a O H \to C H_{3} C O O N a + H_{2} O

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C H_{3} - C H_{2} - O H + 3 O_{2} \to 2 C O_{2} + 3 H_{2} O + Heat

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Solution

The correct option is A $C H_{3} C H_{2} O H + N a \to C H_{3} C H_{2} O N a + \frac{1}{2} H_{2}$
The acidic nature of ethanol is shown by the following reaction:
$C H_{3} C H_{2} - O H + N a \to C H_{3} C H_{2} O^{-} N a^{+} + \frac{1}{2} H_{2}$
In this reaction, the weak $O - H$ bond is broken due to its polar nature, which suggests that ethanol is acidic in nature.
Hence, the correct answer is option (a).

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