The skeletal structure of {CH₃COOH} as shown ...

NCERT Class XI Chemistry Solutions

Question : 20 of 40

Marks: +1, -0

The skeletal structure of

\mathrm{CH_3COOH}

as shown below is correct, but some of the bonds are shown incorrectly. Write the correct Lewis structure for acetic acid.

H = \overset{\mathrm{H}}{\overset{\vert}{\underset{\mathrm{H}}{\underset{\vert}{\mathrm{C}}}}} - \overset{\mathrm{:O:}}{\overset{\vert}{\underset{..}{\mathrm{C}}}} - \underset{..}{\mathrm{O}} - H

Solution:

In the given figure, hydrogen has valency of two, which is not possible and also octet of oxygen is not complete.

So, the correct structure is

H - \overset{\mathrm{H}}{\overset{\vert}{\underset{\mathrm{H}}{\underset{\vert}{\mathrm{C}}}}} - \overset{\mathrm{O:}}{\overset{\parallel}{\mathrm{C}}} - \overset{\underset{..}{\mathrm{O}}}{..} - H

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