Check all appropriate statements concerning pentyne.
contains exactly 3 carbons
contains exactly 5 carbons
contains exactly 7 carbons
has only single bonds
has a double bond
has a triple bond
is an alkyne
is an alkene
is an alkane

The correct statements are contains exactly 5 carbons, has a triple bond and is an alkyne.

Explanation:

Pentyne is a hydrocarbon or organic molecule in which carbon and hydrogen are covalently bonded to each other.

The characteristics of pentyne are:

Hence, the correct statements are contains exactly 5 carbons, has a triple bond and is an alkyne.

the answer is:  

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