Question

Which organic compound does not have the carbonyl group?
a. butane
b. butene
c. 1-butyne
d. 2-butene

Answer 1

Answer:

Organic compound, any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen. The few carbon-containing compounds not classified as organic include carbides, carbonates, and cyanides.

Hence (B) is correct