1. For the following molecule, draw the correct Lewis structure. In the blanks, indicate the molecular geometry around the central atom, the hybridization around the central atom, and approximate bond angles (180°, 120°, 109.5°).
![605_approximate bond angles.jpg](https://secure.tutorsglobe.com/CMSImages/605_approximate%20bond%20angles.jpg)
2. Arrange the following in order of decreasing acidity (strongest 1st)
CH3CH2OH CHF2CH2CO2H CH3CH2CO2H CH2FCH2CO2H CH3CF2CO2H
A B C D E
![1796_order of decreasing acidity1.jpg](https://secure.tutorsglobe.com/CMSImages/1796_order of decreasing acidity1.jpg)
3. Arrange the following in order of decreasing basicity (strongest 1st)
CH3S- CH3CH2- CH3O- Br- CH3NH-
A B C D E
![1053_order of decreasing acidity2.jpg](https://secure.tutorsglobe.com/CMSImages/1053_order of decreasing acidity2.jpg)