Pblock Elementsii Result Question 16
16. Which one of the following species is not a pseudo halide?
(1997, 1M)
(a) $\mathrm{CNO}^{-}$
(b) $\mathrm{RCOO}^{-}$
(c) $\mathrm{OCN}^{-}$
(d) $NNN^{-}$
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Answer:
Correct Answer: 16. ( b )
Solution:
Pseudo halides must contain atleast one nitrogen atom.