Which of the given statements is correct about the boiling point of cis-but-2-ene and trans-but-2-ene?
1) The boiling point of cis-but-2-ene is greater than that of trans-but-2-ene.
2) The boiling point of trans-but-2-ene is greater than that of cis-but-2-ene.
3) The boiling point of cis-but-2-ene is equal to that of trans-but-2-ene.