Question

1. Which set does not contain a linear species?

a) CO2, SO2, NO2
b) Br3F, I3-1, SCN-
c) H2O, HCN, BeI2
d) H2S, ClO-2, SCN-
e) C2H2, OF2, OCN-


2. Which molecule has the weakest bond?

Cl2, CO, O2, NO, or N2


3. Which pair of atoms should form the most polar bond?

a) C and O
b) B and N
c) F and B
d) F and O
e) N and F


4. Which species has the shortest bond length?

a) CN-
b) SO3
c) CO2
d) SO2
e) O2