(Solved): PLEASE HELP Referring to the most stable Lewis dot structure of \( \mathrm{HCO}_{2}^{-} \). what is ...

Referring to the most stable Lewis dot structure of \( \mathrm{HCO}_{2}^{-} \). what is its molecular geometry? a. Bent b. Trigonal pyramidal c. Trigonal planar d. Tetrahedral QUESTION 28 Referring to the most stable Lewis dot structure of \( \mathrm{HCO}_{2}^{-} \), what is the hybridization of the central atom? a. \( 5 p^{3} \mathrm{~d} \) b. \( s p^{3} \) C. sp d. sp² QUESTION 29 Referring to the most stable Lewis dot structure of \( \mathrm{HCO}_{2} \); what is its bond angle? a. \( 120^{\circ} \) b. \( 104.5^{\circ} \) c. \( 109.5^{\circ} \) d. \( 180^{\circ} \)