Question:
Which of the following compounds does NOT react with sodium metal?
Which of the following compounds does NOT react with sodium metal?
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Compounds without acidic hydrogen (like ethers) do not react with sodium metal.
Updated On: Jan 30, 2026
- \(\mathrm{CH_3CH_2OH}\)
- \(\mathrm{C_6H_5OH}\)
- \(\mathrm{CH_3OCH_3}\)
- \(\mathrm{CH_3COOH}\)
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The Correct Option is C
Solution and Explanation
Step 1: Recall reaction with sodium metal.
Sodium metal reacts with compounds containing active hydrogen atoms (such as –OH or –COOH groups), liberating hydrogen gas.
Step 2: Analyse each compound.
(A) Ethanol (\(\mathrm{CH_3CH_2OH}\)): Contains an –OH group, reacts with sodium to form sodium ethoxide and hydrogen gas.
(B) Phenol (\(\mathrm{C_6H_5OH}\)): Contains phenolic –OH group, reacts with sodium to give sodium phenoxide.
(C) Dimethyl ether (\(\mathrm{CH_3OCH_3}\)): Does not contain an –OH group or acidic hydrogen, hence does not react with sodium.
(D) Acetic acid (\(\mathrm{CH_3COOH}\)): Contains –COOH group, reacts vigorously with sodium.
Step 3: Conclusion.
Dimethyl ether does not react with sodium metal because it lacks an active hydrogen atom.
Sodium metal reacts with compounds containing active hydrogen atoms (such as –OH or –COOH groups), liberating hydrogen gas.
Step 2: Analyse each compound.
(A) Ethanol (\(\mathrm{CH_3CH_2OH}\)): Contains an –OH group, reacts with sodium to form sodium ethoxide and hydrogen gas.
(B) Phenol (\(\mathrm{C_6H_5OH}\)): Contains phenolic –OH group, reacts with sodium to give sodium phenoxide.
(C) Dimethyl ether (\(\mathrm{CH_3OCH_3}\)): Does not contain an –OH group or acidic hydrogen, hence does not react with sodium.
(D) Acetic acid (\(\mathrm{CH_3COOH}\)): Contains –COOH group, reacts vigorously with sodium.
Step 3: Conclusion.
Dimethyl ether does not react with sodium metal because it lacks an active hydrogen atom.
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