Which of the following statements is not true about propyne, HC–C≡CH3?
(a) It contains six sigma bonds.
(b) It contains three pi bonds.
(c) The H–C–H bond angle is about 109.5°.
(d) The C–C–C bond angle is 180°.
(a) It contains six sigma bonds.
(b) It contains three pi bonds.
(c) The H–C–H bond angle is about 109.5°.
(d) The C–C–C bond angle is 180°.