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Alcohols, Phenols, and Ethers — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryAlcohols, Phenols, and Ethers1 Mark
Question
Alcohols containing only up to ___________ carbon atoms are completely miscible with water.
✓

Answer

  1. Three
Explanation:
Hydroxyl group makes the alcohol molecule polar and these are used as protic solvents. Two opposing solubility trends in alcohols are the tendency of the polar OH to promote solubility in water and the tendency of the carbon chain to resist it.
So, methanol, ethanol, propanol are miscible in water as the OH group overcomes the short carbon chain.

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