JEE Main Chemistry question

Chemistry Aldehydes, Ketones and Carboxylic Acids JEE Main

Which of the following is correct for carbonyl compounds?

(A)R,R′–C(δ⁻)=O(δ⁺)
(B)R,R′–C(δ⁺)=O(δ⁻)Correct
(C)R–C(δ⁺)=O(δ⁻)–R′ (drawn as a non-standard linear arrangement)
(D)R(δ⁺)–C=O(δ⁻)–R′ (drawn with incorrect charge placement)

Answer: (B)

Solution

Oxygen is more electronegative than carbon, so it pulls electron density from the C=O

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Question ID VK-149691