(Q107) For what reason is the planar configuration the most stable bonding forethene?HH.c=CH.A) Tilting of the plane would impede the formation of pi bondsB) Existing in a plane allows rotation of the pi bondC) Tilting of the plane would impede the formation of sigma bondsD) The molecular must remain planar because the carbon atoms are hypervalentE) The planar formation allows the carbon atoms to become sp3-hybridized

Planar configuration of ethene allows the formation of pi-bonds. Sigma bond = It is formed by end…

(Q107) For what reason is the planar configuration the most stable bonding for ethene? H C=C H. O A) Tilting of the plane would impede the formation of pi bonds B) Existing in a plane allows rotation of the pi bond O C) Tilting of the plane would impede the formation of sigma bonds D) The molecular must remain planar because the carbon atoms are hypervalent O E) The planar formation allows the carbon atoms to become sp3-hybridized

(Q107) For what reason is the planar configuration the most stable bonding for ethene? H C=C H. O A) Tilting of the plane would impede the formation of pi bonds B) Existing in a plane allows rotation of the pi bond O C) Tilting of the plane would impede the formation of sigma bonds D) The molecular must remain planar because the carbon atoms are hypervalent O E) The planar formation allows the carbon atoms to become sp3-hybridized

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter3: Electron Orbitals

Section: Chapter Questions

Problem 15CTQ

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6 In order for a noncyclic triatomic molecule (i.e. A-X-A) to be bent, VSEPR theory requires that there must be lone pairs on the central atom. Group of answer choices True False
32W.) A pi bond is formed by the parallel overlap of s orbitalsX.) Since bromine is from Group VIIA, it needs 7 electrons to complete its octetY.) The bond angle between methane's bond pairs is 109.5⁰Z.) The orbital of f with a shape of y(3x²-y²) contains 14 electronsA.) If all 4 statements are trueB.) If 3 of the 4 statements are trueC.) If 2 of the 4 statements are trueD.) If only 1 of the 4 statements is trueE.) If none of the 4 statements is true
5-3. a. Draw out an empty generic (lollipop shaped) homonuclear diatomic MO diagram like the one used for O2, F2, and Nez. b. Fill this diagram with the appropriate number of valence electrons for [NO]¹ and use it to write out the MO electron configuration for [NO]¹-ion. c. What is the N-O bond order in [NO]¹? d. Will the N-O bond in [NO]¹ be longer or shorter than the N-O bond in the neutral NO molecule? e. How many unpaired electrons are present in [NO]¹? f. Will the unpaired electrons be more concentrated on N or O in [NO]? Explain.
Which one of the following molecules exhibits bond angles of 120o? Group of answer choices ONCl CH2O N2O CO2
A student draws the picture of ammonia (NH3) in the box below, left, and predicts it will be a flatmolecule with HNH bond angles of exactly 120°. Unfortunately, the student left something out. a. What did the student omit from his drawing? b. What is the actual HNH bond angle of ammonia (based on the draw g above, right)? c. Explain why water, ammonia, and methane (shown below) all have about the same bondangles (close to 109.5°) even though they have different numbers of bonds.
Explain how the dipole moment could be used to distinguish between the cis and trans isomers of 1,2-dibromoethene:
Explain in terms of bonding theory why all atoms of H2CCCCH2 must lie in the same plane.
- What orbital(s) are the lone pairs of electrons on the O atom placed? - What orbital is the lone pair of electrons on the N atom placed? - What type of bond(s) are formed between Ca1 – C? - What type of bond(s) are formed between C = O? - What type of bond(s) are formed between C – N? - What type of bond(s) are formed between N – Ca2? - What type of bond(s) are formed between N – H? - What is the angle between Ca1 – C = O? - What is the angle between Ca1 – C – N? - What is the angle between O = C – N? - What is the angle between C – N – Ca2?
S5) Since the F-C-F bond angle in CH2F2 molecule is 108.3 °; a) What is the% s character of the hybrid orbital used in the formation of the C-H bond of the carbon? b) What is the angle between H-C-H?
For XeF2, Find: 1. # of valence electrons 2. Draw the Lewis Diagram 3. # of electron groups 4. # of lone pairs 5. electron group geometry drawing & name 6. molecular geometry drawing & name 7. bond angle(s)? 8. polar? 9. resonance?
5)In which molecular geometry or geometry‘s can you find bond angle close to 109.5°? I) trigonal planar ii) tetrahedral iii) square pyramidal iv) linear V) trigonal bipyramidal
Biotin is being studied in a lab. a. What is the IMF(s) of biotin (C10H16N2O3S)? b. What are the sigma/pi bondings and bond angles of biotin? c. What are the resonance functional groups?

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