Chapter 10, Problem 70E

Determine the electron and molecular geometries of each molecule. (Hint: Determine the geometry around each of the two central atoms.)

a. ${\text{C}}_{\text{2}}{\text{H}}_{\text{2}}\left(\text{skeletal structure HCCH}\right)$

b. ${\text{C}}_{\text{2}}{\text{H}}_{\text{4}}\left({\text{skeletal structure H}}_{\text{2}}{\text{CCH}}_{\text{2}}\right)$

c. ${\text{C}}_{\text{2}}{\text{H}}_{\text{6}}\left({\text{skeletal structure H}}_{\text{3}}{\text{CCH}}_{\text{3}}\right)$