Question

Select the organic compound(s) with correct molecular formula.

• A. Pentane has molecular formula $C_5{H}_{10}$
• B. Hexane has molecular formula $C_6{H}_{14}$
• C. Nonane has molecular formula $C_9{H}_{18}$
• D. Butane has molecular formula $C_4{H}_{10}$

Answer 1

Answer: (B), (D)

The correct options are
B

Hexane has molecular formula $C_6{H}_{14}$

D

Butane has molecular formula $C_4{H}_{10}$

The molecular formula is a chemical formula that gives the total number of atoms of each element in each molecule of a substance.

Pentane has five carbon atoms and twelve hydrogen atoms. The molecular formula of pentane is $C_5{H}_{12}$.

Hexane has six carbon atoms and fourteen hydrogen atoms. The molecular formula of hexane is $C_6{H}_{14}$.

Nonane has nine carbon atoms and twenty hydrogen atoms. The molecular formula of nonane is $C_9{H}_{20}$.

Butane has four carbon atoms and ten hydrogen atoms. The molecular formula of butane is $C_4{H}_{10}$.