HW5 - padilla (tp5647) Homework 5 Sutcliffe (53770) 1 This...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: padilla (tp5647) Homework 5 Sutcliffe (53770) 1 This print-out should have 25 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points Consider the following sets A, B, and C A 1 ) bracketleftbigg N C N b b b b b b b b bracketrightbigg 2 A 2 ) bracketleftbigg N C N b b b b b b b b bracketrightbigg 2 B 1 ) O As O b b b b b b O b b b b b b O b b b b b b b b b b b b 3 C 1 ) I O O O O b b b b b b b b b b b b b b b b b b B 2 ) O As O b b b b b b O b b b b O b b b b b b b b b b b b 3 C 2 ) I O O O O b b b b b b b b b b b b b b b b b b b b B 3 ) O As O b b b b O b b b b O b b b b b b b b 3 C 3 ) I O O O O b b b b b b b b b b b b b b b b b b b b b b b b of ions. Determine the formal charge on each atom and identify the structure of lowest energy for each set A, B, and C. 1. A 1 , B 1 , C 1 2. A 2 , B 2 , C 2 3. A 1 , B 2 , C 1 correct 4. A 1 , B 2 , C 3 5. A 2 , B 3 , C 3 6. A 2 , B 3 , C 2 Explanation: A 1 ) bracketleftbigg N C N b b b b b b b b- 1- 1 bracketrightbigg 2 A 2 ) bracketleftbigg N C N b b b b b b b b- 2 bracketrightbigg 2 B 1 ) O As O b b b b b b O b b b b b b O b b b b b b b b b b b b- 1- 1- 1- 1 +1 3 C 1 ) I O O O O b b b b b b b b b b b b b b b b b b- 1 B 2 ) O As O b b b b b b O b b b b O b b b b b b b b b b b b- 1- 1- 1 3 C 2 ) I O O O O b b b b b b b b b b b b b b b b b b b b- 1- 1 +1 B 3 ) O As O b b b b O b b b b O b b b b b b b b- 3 3 C 3 ) I O O O O b b b b b b b b b b b b b b b b b b b b b b b b- 1- 1- 1- 1 +3 002 10.0 points What is the formal charge on the Xe atom in XeF 4 ? 1. +4 2.- 4 3. correct 4. +2 Explanation: The formal charge on Xe is 8- parenleftBigg 4 e nonbonding + 8 e shared 2 parenrightBigg = 0 Xe F b b b b b b F b b b b b b F b b b b b b F b b b b b b b b b b 003 10.0 points Draw the Lewis structures for IF 7 and SiF 2 6 . How many electrons surround the cen- tral atom on IF 7 and on SiF 2 6 , respectively? 1. 10 and 14 padilla (tp5647) Homework 5 Sutcliffe (53770) 2 2. None of these 3. 12 and 10 4. 14 and 10 5. 14 and 12 correct 6. 10 and 12 7. 12 and 14 Explanation: The Lewis Structures are I F b b b b b b F b b b b b b F b b b b b b F b b b b b b F b b b b b b F b b b b b b F b b b b b b and Si F b b b b b b F b b b b b b F b b b b b b F b b b b b b F b b...
View Full Document

Page1 / 7

HW5 - padilla (tp5647) Homework 5 Sutcliffe (53770) 1 This...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online