Question:
In the following compounds
The order of acidity is
In the following compounds
The order of acidity is
Updated On: Jul 6, 2022
- III > IV > I > II
- I > IV > III > II
- II > I > III > IV
- IV > III > I > II
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The Correct Option is D
Solution and Explanation
Nitro group from para position exert electron withdrawing
resonance effect, increases acidity of phenol the most. This is
followed by meta nitrophenol in which nitro group exert
electron withdrawing effect on acidity. $CH_3- $ is an electron
donating group, decreases acid strength. Hence, the overall
order is
$\hspace5mm IV > III > I > II $
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Concepts Used:
Alcohols, Phenols, and Ethers
Alcohol is formed when a saturated carbon atom bonds to a hydroxyl (-OH) group. It is an organic compound that contains a hydroxyl functional group attached to a carbon atom.
Phenol is formed when the -OH group replaces the hydrogen atom in benzene. It is an organic compound in which a hydroxyl group directly attaches to an aromatic hydrocarbon.
Ether is formed when oxygen atom bonds to two alkyl or aryl groups. It is an organic compound that has an oxygen atom that is connected to two aryl and alkyl groups.
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