Question

How many hydrogen atoms will be added along with one carbon atom in the next member of a homologous series?

• A. 1
• B. 3
• C. 2
• D. 4

Answer 1

Answer:

C. 2

• In the next member of a homologous series, two hydrogen atoms are added along with one carbon atom, forming a CH2 unit.

• For example,

• Ethane: 1 carbon added, 2 hydrogens added

• Propane:1 carbon added, 2 hydrogens added

• Butane: 1 carbon added, 2 hydrogens added