IMAT 2016 Q51 [Bond Angles]

Which of the following molecules contain bond angles of 180° in their gaseous states?

(Atomic numbers: H = 1; Be = 4; C = 6; Cl = 17)

  1. BeCl_2
  2. C_2H_2
  3. CCl_4

A. 1 and 3 only
B. 1 and 2 only
C. 1 only
D. 2 and 3 only
E. 2 only