Question

Choose the correct answer from the alternatives given.
The diversity of organic molecules is due to all of the following except the fact that

• A. carbon needs four electrons to complete its outer shell
• B. carbon can form single and double bonds with itself and other elements
• C. organic molecules always contain covalent bonds
• D. carbon can bond with as many as four other elements

Answer 1

The correct option is A carbon needs four electrons to complete its outer shell

Organic molecules are diverse because carbon has a better tendency to form molecular chains and rings than other elements. Its compounds are vastly more numerous than others because of the carbon-carbon bonds. Upon bonding, those 4 electrons form a tetrahedron. So, the correct option is "carbon needs four electrons to complete its outer shell".