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JEE CHEMISTRY MCQ: ALDEHYDES & KETONES & CARBOXYLIC ACIDS
1
Medium
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Analyzing
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Assertion: The acetate ion is resonance stabilized.
Reason: Acetate ion is more basic than the methoxide ion.
Reason: Acetate ion is more basic than the methoxide ion.
View answer and explanation
Correct option: C
If Assertion is correct but Reason is incorrect.
Option C is correct because the acetate ion is resonance stabilized, but it is a weaker base than the methoxide ion.
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By passing water gas through an electric discharge at low pressure, we get:
Addition of alcohols to aldehydes and ketones takes place in presence of dry gas because it
(i) Protonates the oxygen of the carbonyl compounds
(ii) Increases the electrophilicity of the carbonyl carbon
(iii) Removes the excess moisture from the reaction
(iv) Helps the reaction to move in the forward direction Benzyl alcohol and sodium benzoate is obtained by the action of sodium hydroxide on benzaldehyde. This reaction is known as Which one of the following reactions is a condensation reaction? Carboxylic acids dimerise due to The number of aldehyde isomers for will be
(i) Protonates the oxygen of the carbonyl compounds
(ii) Increases the electrophilicity of the carbonyl carbon
(iii) Removes the excess moisture from the reaction
(iv) Helps the reaction to move in the forward direction Benzyl alcohol and sodium benzoate is obtained by the action of sodium hydroxide on benzaldehyde. This reaction is known as Which one of the following reactions is a condensation reaction? Carboxylic acids dimerise due to The number of aldehyde isomers for will be