State the two criteria that governs aromaticity?
State the two criteria that governs aromaticity?
Homework Answers
FOUR CRITERIA FOR AROMATICITY
When deciding if a compound is aromatic, go through the following checklist. If the compound does not meet all the following criteria, it is likely not aromatic.
- The molecule is cyclic (a ring of atoms)
- The molecule is planar (all atoms in the molecule lie in the same plane)
- The molecule is fully conjugated (p orbitals at every atom in the ring)
- The molecule has 4n+2π4n+2π electrons (n=0n=0 or any positive integer)
3) State the two criteria that governs aromaticity? (3 pts) 4) Give the hybridization, shape, and...
3) State the two criteria that governs aromaticity? (3 pts) 4) Give the hybridization, shape, and bond angle of a carbon in benzene. (3 pts) 5) Identify the resonance hybrid. (2 pts) A) CH,CH=CH-CH=CH-CH B) CH,CH=CH-CH-CH=CH CH:CH-CH=CH-CH=CH D) CH, CH-CH==CH-CH=CH E) A, B, and C. 6) Which of the following pairs are resonance structures? (2 pts) I CH2=CHCH and A L CH=C—H and CH3-CH III. CH3-C-H and CH -- v. CH-8-Chand CH CHÖH
Using the criteria for aromaticity, determine if the following molecules are aromatic antiaromatic or non aromatic....
Using the criteria for aromaticity, determine if the following molecules are aromatic antiaromatic or non aromatic. Explain your answer.
e 2. One of the criteria for aromaticity is that That is, you can draw resonance...
e 2. One of the criteria for aromaticity is that That is, you can draw resonance structures the following aromatic compounds draw ALL resonance structures to su completely conjugated around the ring. The fi aromaticity is that the pi clectrons in a flatring are completely conjugac mance structures that delocalize pi clectrons completely around the ring conjugated around the ring. The first example has been completed as a reieck sonance structures to show how pi electrons are 1 . 1...
4. Which of the two molecules below are aromatic, if either? List Huckel's rules of aromaticity...
4. Which of the two molecules below are aromatic, if either? List Huckel's rules of aromaticity and apply them to the compounds, briefly discussing if either of the molecules fail any of these rules.
02) a) For isotropic material and a complex stress state explain yield criteria 16] and yield curve. 02) a) For isotropic material and a complex stress state explain yield criteria 16] and yield...
02) a) For isotropic material and a complex stress state explain yield criteria 16] and yield curve.
02) a) For isotropic material and a complex stress state explain yield criteria 16] and yield curve.
Which of the two molecules below are aromatic, if either? List Huckel's rules of aromaticity and apply them to the comp...
Which of the two molecules below are aromatic, if either? List Huckel's rules of aromaticity and apply them to the compounds, briefly discussing if either of the molecules fail any of these rules.
3-8 A pulley system is shown below. Determine the relationship which governs the velocities of the...
3-8 A pulley system is shown below. Determine the relationship which governs the velocities of the three cylinders A, B and C and state the number of degrees of freedom of the system. Express all velocities as positive down.
two important criteria for bench marking are TCO 6) Two important criteria for bench marking are--,...
two important criteria for bench marking are
TCO 6) Two important criteria for bench marking are--, and -- O Product quality, service quality Location, time . Personal, organizational O Past, present O None of the above
9. There are several criteria for segmenting markets. Which of the following are two criteria for...
9. There are several criteria for segmenting markets. Which of the following are two criteria for segmenting? A. Large and definable B. Diverse and accessible C. Unclassified and unfulfilled D. Small and elusive
1. What are two requirements for aromaticity in conjugated molecular pi-systems? 2. What type of hybrid...
1. What are two requirements for aromaticity in conjugated molecular pi-systems? 2. What type of hybrid orbital is required to have a conjugated molecule? Explain your reasoning in terms of covalent bonding. 3. Why does olive oil have a lower melting point than margarine? 4. Why is bromine often used to determine molecular degree of unsaturation?
3) State the two criteria that governs aromaticity? (3 pts) 4) Give the hybridization, shape, and bond angle of a carbon in benzene. (3 pts) 5) Identify the resonance hybrid. (2 pts) A) CH,CH=CH-CH=CH-CH B) CH,CH=CH-CH-CH=CH CH:CH-CH=CH-CH=CH D) CH, CH-CH==CH-CH=CH E) A, B, and C. 6) Which of the following pairs are resonance structures? (2 pts) I CH2=CHCH and A L CH=C—H and CH3-CH III. CH3-C-H and CH -- v. CH-8-Chand CH CHÖH
Using the criteria for aromaticity, determine if the following molecules are aromatic antiaromatic or non aromatic. Explain your answer.
e 2. One of the criteria for aromaticity is that That is, you can draw resonance structures the following aromatic compounds draw ALL resonance structures to su completely conjugated around the ring. The fi aromaticity is that the pi clectrons in a flatring are completely conjugac mance structures that delocalize pi clectrons completely around the ring conjugated around the ring. The first example has been completed as a reieck sonance structures to show how pi electrons are 1 . 1...
4. Which of the two molecules below are aromatic, if either? List Huckel's rules of aromaticity and apply them to the compounds, briefly discussing if either of the molecules fail any of these rules.
02) a) For isotropic material and a complex stress state explain yield criteria 16] and yield curve.
02) a) For isotropic material and a complex stress state explain yield criteria 16] and yield curve.
Which of the two molecules below are aromatic, if either? List Huckel's rules of aromaticity and apply them to the compounds, briefly discussing if either of the molecules fail any of these rules.
3-8 A pulley system is shown below. Determine the relationship which governs the velocities of the three cylinders A, B and C and state the number of degrees of freedom of the system. Express all velocities as positive down.
two important criteria for bench marking are
TCO 6) Two important criteria for bench marking are--, and -- O Product quality, service quality Location, time . Personal, organizational O Past, present O None of the above
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