Chemistry Drawing the Best Lewis Structure
CHEM 201 Spring 2018 Name_____________________________ QUIZ 1, FORM A 20 minutes, SHOW YOUR WORK! (11 pt) 1. Draw the best Lewis structure for one compound with the indicated molecular formula and connectivity between non-hydrogen atoms. Assume symmetry if the connectivity is not indicated. (In some cases there may be more than one compound and/or equivalent resonance structure possible, but you just need to draw one.) Also draw a reasonable 3D structure based on VSEPR theory. (a) C2H4O2 Lewis Structure (non 3D): 3D structure (from VSEPR theory): (b) PCl4+ Lewis structure (non 3D): 3D structure (from VSEPR theory): What are the number of electron groups about the central atom and the name of the VSEPR geometry in your structure? CONTINUED ON BACKY This study source was downloaded by 100000864405301 from CourseHero.com on 08-29-2023 06:23:31 GMT -05:00 https://www.coursehero.com/file/33123700/s18quiz1pdf/ QUIZ 1, FORM A (3 pt) 2. Draw the following organic compound using the C framework shorthand notation (The compound is methyl anthranilate, which is a naturally occurring compound that is often used for grape flavoring.) (6 pt) 3. Consider the following resonance structure for sulfite, SO32!: (a) Indicate the formal charges on all the atoms in this structure (including those with 0 formal charge). (b) Assuming the best Lewis structure is the one with a minimum number of formal charges, can you draw a better resonance structure for SO32!? If this is the best structure, clearly state so. If it is not, draw the best structure, and indicate how many additional completely equivalent structures exist of the best resonance structure. This study source was downloaded by 100000864405301 from CourseHero.com on 08-29-2023 06:23:31 GMT -05:00 https://www.coursehero.com/file/33123700/s18quiz1pdf/ CHEM 201 Spring 2018 Name_____________________________ QUIZ 1, FORM B 20 minutes, SHOW YOUR WORK! (11 pt) 1. Draw the best Lewis structure for one compound with the indicated molecular formula and connectivity between non-hydrogen atoms. Assume symmetry if the connectivity is not indicated. (In some cases there may be more than one compound and/or equivalent resonance structure possible, but you just need to draw one.) Also draw a reasonable 3D structure based on VSEPR theory. (a) C2H8N2 Lewis Structure (non 3D): 3D structure (from VSEPR theory): (b) PCl5 Lewis structure (non 3D): 3D structure (from VSEPR theory): What are the number of electron groups about the central atom and the name of the VSEPR geometry in your structure? CONTINUED ON BACKY This study source was downloaded by 100000864405301 from CourseHero.com on 08-29-2023 06:23:31 GMT -05:00 https://www.coursehero.com/file/33123700/s18quiz1pdf/ QUIZ 1, FORM B (3 pt) 2. Draw the following organic compound using the C framework shorthand notation. (The compound is allyl hexanoate, which is found in pineapple and is often used for pineapple flavoring.) (6 pt) 3. Consider the following resonance structure for hydrogen sulfite, HSO3!: (a) Indicate the formal charges on all the atoms in this structure (including those with 0 formal charge). (b) Assuming the best Lewis structure is the one with a minimum number of formal charges, can you draw a better resonance structure for HSO3!? If this is the best structure, clearly state so. If it is not, draw the best structure, and indicate how many additional completely equivalent structures exist of the best resonance structure. This study source was downloaded by 100000864405301 from CourseHero.com on 08-29-2023 06:23:31 GMT -05:00 https://www.coursehero.com/file/33123700/s18quiz1pdf/ CHEM 201 Spring 2018 Name_____________________________ QUIZ 1, FORM C 20 minutes, SHOW YOUR WORK! (11 pt) 1. Draw the best Lewis structure for one compound with the indicated molecular formula and connectivity between non-hydrogen atoms. Assume symmetry if the connectivity is not indicated. (In some cases there may be more than one compound and/or equivalent resonance structure possible, but you just need to draw one.) Also draw a reasonable 3D structure based on VSEPR theory. (a) C2H4N2 Lewis Structure (non 3D): 3D structure (from VSEPR theory): (b) PCl4! Lewis structure (non 3D): 3D structure (from VSEPR theory): What are the number of electron groups about the central atom and the name of the VSEPR geometry in your structure? CONTINUED ON BACKY This study source was downloaded by 100000864405301 from CourseHero.com on 08-29-2023 06:23:31 GMT -05:00 https://www.coursehero.com/file/33123700/s18quiz1pdf/ QUIZ 1, FORM C (3 pt) 2. What is the molecular formula for the following organic compound? Give your answer in the standard format, that is, C first then H, then the other elements in alphabetical order. (The compound is methyl anthranilate, which is a naturally occurring compound that is often used for grape flavoring.) (6 pt) 3. Consider the following resonance structure for sulfite, SO32!: (a) Indicate the formal charges on all the atoms in this structure (including those with 0 formal charge). (b) Assuming the best Lewis structure is the one with a minimum number of formal charges, can you draw a better resonance structure for SO32!? If this is the best structure, clearly state so. If it is not, draw the best structure, and indicate how many additional completely equivalent structures exist of the best resonance structure. This study source was downloaded by 100000864405301 from CourseHero.com on 08-29-2023 06:23:31 GMT -05:00 https://www.coursehero.com/file/33123700/s18quiz1pdf/ CHEM 201 Spring 2018 Name_____________________________ QUIZ 1, FORM D 20 minutes, SHOW YOUR WORK! (11 pt) 1. Draw the best Lewis structure for one compound with the indicated molecular formula and connectivity between non-hydrogen atoms. Assume symmetry if the connectivity is not indicated. (In some cases there may be more than one compound and/or equivalent resonance structure possible, but you just need to draw one.) Also draw a reasonable 3D structure based on VSEPR theory. (a) C2H6O2 Lewis Structure (non 3D): 3D structure (from VSEPR theory): (b) PCl6! Lewis structure (non 3D): 3D structure (from VSEPR theory): What are the number of electron groups about the central atom and the name of the VSEPR geometry in your structure? CONTINUED ON BACKY This study source was downloaded by 100000864405301 from CourseHero.com on 08-29-2023 06:23:31 GMT -05:00 https://www.coursehero.com/file/33123700/s18quiz1pdf/ QUIZ 1, FORM D (3 pt) 2. What is the molecular formula for the following organic compound? Give your answer in the standard format, that is, C first then H, then the other elements in alphabetical order. (The compound is allyl hexanoate, which is found in pineapple and is often used for pineapple flavoring.) (6 pt) 3. Consider the following resonance structure for hydrogen sulfite, HSO3!: (a) Indicate the formal charges on all the atoms in this structure (including those with 0 formal charge). (b) Assuming the best Lewis structure is the one with a minimum number of formal charges, can you draw a better resonance structure for HSO3!? If this is the best structure, clearly state so. If it is not, draw the best structure, and indicate how many additional completely equivalent structures exist of the best resonance structure. This study source was downloaded by 100000864405301 from CourseHero.com on 08-29-2023 06:23:31 GMT -05:00 https://www.coursehero.com/file/33123700/s18quiz1pdf/ Powered by TCPDF (www.tcpdf.org)
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