Question

Question: Draw the organic products formed when each alkene is treated with H₂ / Pd-C. Indicate the three-dimensional structure of all stereoisomers formed.

a.

b.

c.

Short answer

Answer

a.

b.

c.

Step-by-step solution

Reduction with  H2 / Pd-C

Alkenes can be reduced to an alkane using the method of catalytic hydrogenation. The Pd acts as a catalyst and leads to the syn-addition of hydrogen.A general reaction is given below:

Catalytic hydrogenation of alkene

Determination of products

a.

3-D structures of the product formed upon reduction of a

b.

3-D structures of the product formed upon reduction of b

c.

3-D structures of the product formed upon reduction of c