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select the molecules shown above that are planar. in this case, planar implies t

ID: 561257 • Letter: S

Question

select the molecules shown above that are planar. in this case, planar implies that all atoms are in a single plane. Also, select all of the molecules, if any, with delocalized pi electrons 7.67 13 Given the structures answer the following questions. N,F2 H,NNH2 NCCN v5th attempt hi See Periodic Table See Hint Part 1 (0.5 point) Select the molecules shown above that are planar.In this case, planar implies that all atoms are in a single plane. Choose one or more: N2F2 H2NNH2 NCCN None of these structures are planar. 06/10

Explanation / Answer

Q1

N2F2 --> planar since no lone pairs left to reppeal

H2NNH2 --> not planar, since Nitrogen has lone pairs which reppeal each bond, therefore, 3-D structure

NCCN --> planar, mainly because of the triple bond formed by Carbon

Q2

delocalized electrons

must have at least double bonds so PI electrons are present

N2F2 --> not likely

H2NNH2 --> no electrons in ¨PI

HCCN --> linear, thereofre not possible

choose "none"