JEE Main Chemistry question

The number of shared and unshared valence electrons in acetic acid () are:

(A)16 shared and 8 unshared valence electronsCorrect
(B)8 shared and 16 unshared valence electrons
(C)12 shared and 12 unshared valence electrons
(D)18 shared and 6 unshared valence electrons

Answer: (A)

Solution

Acetic acid () has 24 total valence electrons (). Its Lewis structure has 8 covalent bonds (3 C–H, 1 C–C, 1 C=O, 1 C–O, 1 O–H — counting the C=O as one bond for

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Question ID VK-156492