PSYA02H3 Study Guide - Final Guide: Covalent Bond

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Published on 17 Sep 2019
School
Department
Course
CHMB41H Midterm Test Fall 2016
Name:
ANSWER SHEET
Part I. Multiple Choice:
Question
1
2
3
4
5
6
7
8
9
10
Answer
A
B
A
B
D
E
B
C
D
D
Part II. Short answers:
1. (8 marks)
(i)
ONE GROUP EQUATORIAL, THE OTHER AXIAL: 2 MARKS
CORRECT POSITION OF GROUPS AFTER RING FLIP: 2 MARKS
(ii)
A is more stable (could be B if they drew the ethyl down and the sec-butyl up), because the
larger group (sec-butyl) is equatorial , so there is less 1,3-diaxial interaction.
CORRECT STRUCTURE AS MOST STABLE: 2MARKS
EXPLANATION (CITING 1,3-DIAXIAL STRAIN): 2 MARKS
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