| Date | November 2014 | Marks available | 1 | Reference code | 14N.1.hl.TZ0.10 |
| Level | HL | Paper | 1 | Time zone | TZ0 |
| Command term | Question number | 10 | Adapted from | N/A |
Question
Which sequence has the molecules in order of increasing nitrogen-nitrogen bond length?
A. \({{\text{N}}_{\text{2}}} < {{\text{N}}_{\text{2}}}{{\text{H}}_{\text{4}}} < {{\text{N}}_{\text{2}}}{{\text{H}}_{\text{2}}}\)
B. \({{\text{N}}_{\text{2}}} < {{\text{N}}_{\text{2}}}{{\text{H}}_{\text{2}}} < {{\text{N}}_{\text{2}}}{{\text{H}}_{\text{4}}}\)
C. \({{\text{N}}_{\text{2}}}{{\text{H}}_{\text{4}}} < {{\text{N}}_{\text{2}}}{{\text{H}}_{\text{2}}} < {{\text{N}}_{\text{2}}}\)
D. \({{\text{N}}_{\text{2}}}{{\text{H}}_{\text{2}}} < {{\text{N}}_{\text{2}}}{{\text{H}}_{\text{4}}} < {{\text{N}}_{\text{2}}}\)
Markscheme
B
Examiners report
[N/A]
