7. Which is the shortest bondin the following compound? H. H-C=C-C=C_C-H 111 H H H Il III IV A. I B. II C. III D. IV E.I and III have the same length

3. Based on 00 a. Which compound is the least likely compound to be stable PH3 PC13 PC14 PC15 b. Which compound is most likely to be stable? B2 B₂H6 BCN BO3 c. A number of concatenated sulfur forms are known, such explana

Complete the fourth resonance structure to determine which bond is shortest? Which compound will react fourth fastest with B-eBr ? d. e. F 14. Complete the fourth resonance structure to determine which bond is shortest? 15. Which compound will react fourth fastest with Br₂/FeBr3? a. b. d. -OH b d

Determine the geometry around all second-row elements in each compound drawn as a Lewis structure with no implied geometry

Which orbitals overlap to create the C-C a-bond in ethyne? Select one: O a. sp and sp O b. sp ands O c. sp? and sp? d. s and s e. sp and sp

1. For each of the following reactions, draw the bond line structure(s) of the product(s): OH 1) MeMgBr 2) H3O+ 1) TsCl, py OH 2) NaOEt conc. H₂SO4 heat

Pls ans both

What would be the approximate H-C-H bond angle in CH3OH? (In other words, what is the approximate angle formed between two of the C-H bonds in CH3OH?) O90 degrees O 109.5 degrees O 120 degrees 180 degrees

Identify which ONE or MORE of the following molecules provided below are polar (note that the structures may not be represented in the correct molecule geometry). F S- H H Structure 2 Structure 3 O O F-Si F Structure 1 F ai CI CI Structure 4 a. Structure 1, Structure 2, Structure 4 b. Structure 3, Structure 4 C. Structure 2, Structure 3, Structure 4 d. Only Structure 2, Structure 4 e. Only Structure 4 S=C=S Structure 5 (.

14. The carbon with the largest delta value (the most deshielded) is يعلمهم ЊС a. a b b. b C. C