Multiple choice Which of the following sets represents pseudohalides only? ClF3, IF7 CN‑, N3- (CN)2, (SCN)2 ClF3, CN‑ ICl, N3- Reveal answer Fill a bubble to check yourself B Correct answer Explanation Both CN‑ and N3- are pseudohalide ions because they resemble in properties with the halide (X-) ion.