Question

Which of these is an sp-hybridized compound? CH4 C2H4 C2H2 C2H6

Answer 1

As you can see, CH4 has 4 electron groups, so it is sp3
C2H4 has 3 electron groups, so it is sp2
C2H6 has 4 electron groups, so it is sp3 too
only C2H2 has 2 electron groups, so it is sp