In the the following addition reaction, one product is shown. Is it syn or anti? Draw an opposite product (anti if is syn, and syn if anti):
The product is syn anti


or

: ---

Example:

Drawing othre possible stereoisomers of the products. Click play button to move forward

H C C H + OH H H C C OH H H H H OH H H OH H H OH H OH same as OH H H HO H H syn anti