Question

Which of the following is a pseudohalide ion?

• A. $N_3^{-}$
• B. $ON{C}^{-}$
• C. $SC{N}^{-}$
• D. All of these

Answer 1

The correct option is D All of these

Pseudohalide ions are those which consist of two or more electronegative atoms where at least one of which is nitrogen and has a property similar to halide ions. Hence, (a), (b), and (c) are pseudohalide ions.