Which compound is an alkyne?
(1) c2h2 (3) c4h8
(2) c2h4 (4) c4h10

Explanation:

Saturated hydrocarbons are defined as the hydrocarbons in which a single bond is present between carbon and carbon atoms. The general formula for these hydrocarbons is and are called as alkanes.

Unsaturated hydrocarbons are defined as the hydrocarbons which have double or triple covalent C-C bonds. They are known as alkenes and alkynes respectively. The general formula for these hydrocarbons is and respectively.

and are alkenes.

is an alkane.

Thus with general formula is an alkyne.

c. is the answer

by love gaming

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

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