Draw the electron dot structure for ethanoic acid

Asked by admin @ 25/08/2021 in Chemistry viewed by 343 People

5 Draw the electron dot structures for

(a) ethanoic acid.
(b) H2S.
(c) propanone.
(d) F2.

Answered by admin @ 25/08/2021

Answer :

Electron-dot structure : It shows the bonding between the atoms of a molecule and it also shows the unpaired electrons present in the molecule.

As we know that, carbon has '4' valence electrons, hydrogen has '1' valence electron, sulfur and oxygen has '6' valence electrons and fluorine has '7' valence electrons.

Therefore, the total number of valence electrons in ethanoic acid, $C_2O_2H_4$ = 2(4) + 2(6) + 6(1) = 26

The total number of valence electrons in hydrogen sulfide, $H_2S$ = 2(1) +1(6) = 8

The total number of valence electrons in propanone, $C_3O_H_6$ = 3(4) + 1(6) + 6(1) = 24

The total number of valence electrons in fluorine gas, $F_2$ = 2(7) = 14

The electron-dot structure of the following molecules are shown below.

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