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15.4 Which of the lone pairs (if any) are participating in aromaticity? :N (a) a :N...
2a Count the number of t-electrons and indicate whether the compound is expected to be aromatic. (a) aromatic (b) not aromatic 2b Which of the lone pairs (if any) are participating in aromaticity? ON (a) ON (b) (c) both (d) neither
Of molecule Firefly Luciferin: Which rings are aromatic? Which lone pairs are participating in resonance
17) Identify the number of bonding pairs and lone pairs of electrons in Br2. A) 2 bonding pairs and 3 lone pairs B) 4 bonding pair and 2 lone pairs C) 2 bonding pairs and 1 lone pair D) 6 bonding pair and 1 lone pair E) 1 bonding pairs and 6 lone pairs 18) to molorule with a tetrahedral shape
Draw a Lewis structure of CIF,. Show the location of atoms and any lone pairs of electrons. In CIF, the two lone pairs of electrons can be placed one axial and one equatorial, both equatorial, or both axial. Determine the total number of each type of 90° repulsive interac- tion for each placement. F:
Which one of the following compounds is antiaromatie? Note: lone pairs are not shown. N
9) How many lone pairs are there on the N shown with the formal charge? Z I-
1. A molecule which has C, N, O and H has no formal charge on any of the atoms. which statement best describes the valence (bonds and lone pairs) of carbon, nitrogen, and oxygen? A) Carbon: two bonds, zero lone pairs; nitrogen: three bonds, two lone pairs B) Oxygen: two bonds, two lone pairs; nitrogen: three bonds, one lone pair C) Carbon: three bonds, one lone pair; oxygen: two bonds, two lone pairs D) Carbon: four bonds, zero lone pairs;...
can you please explain each answer 1. Give the number of lone pairs around the central atom and the geometry of the ion CIO, A) O lone pairs, linear 1 lone pair, bent C) 2 lone pairs, bent D) 3 lone pairs, bent E) 3 lone pairs, linear B) 2. Predict the geometry and polarity of the CS, molecule. A) linear, polar B) linear, nonpolar C) tetrahedral, nonpolar D) bent, nonpolar E) bent, polar (iv) PF, (v) BF, 3. Which...
Select the eight compounds below that are expected to exhibit aromatic stabilization. Note that lone pairs have not been shown - their presence or absence has to be inferred from the number of bonds and the formal charge (if any). Assume that the system can achieve planarity if needed for aromaticity. Note - higher partial credit could be achieved by selecting less than eight of them if you are unsure on some of them. MeN-Me Me-N N-Me "Me 8.26. Me...
The Lewis formula for phosphine, PH3, has- A) four lone pairs B) two bonding pairs and two lone pairs C) four bonding pairs D) three bonding pairs and one lone pair E) one bonding pair and three lone pairs