Question

Which molecule has longest carbon chain?
(A) Neopentane
(B) Isopentene
(C) Neohexane
(D) N-pentane

Answer 1

Answer:

heptane has longest carbon chain

Answer 2

Answer:

N-pentane

Explanation:

The molecule having the longest carbon chain is N-pentane.

Pentane is volatile organic compound a straight chain alkane that contains five carbon atoms. It is a non-polar solvent and also a refrigerant. N-pentane is a clear colourless liquid having a petroleum like odour. It floats on water and its vapours are heavier than the air. The letter n is often used in front of the pentane to differentiate the normal straight chain pentane from its other isomers.