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The shape of \(\mathrm{SCN^-}\) is

Question and options

The shape of SCN−\mathrm{SCN^-} is
  1. Pyramidal
  2. Trigonal planar
  3. Linear
  4. Bent

Answer and explanation

Correct answer: C - Linear
SCN−\mathrm{SCN^-} has a central carbon with two double-bond domains (S=C=N−\mathrm{S{=}C{=}N^-}) and no lone pairs on C, so it is linear, like CO2\mathrm{CO_2}.

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