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Which of the following statements is correct?
(a) \( \left[\mathrm{CoF}_{6}\right]^{3-} \) and \( \left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+} \) both are paramagnetic complexes.
(b) \( \left[\mathrm{CoF}_{6}\right]^{3-} \) and \( \left[\mathrm{Co}(\mathrm{NH} 3)_{6}\right]^{3+} \) both are high spin complexes.
(c) \( \left[\mathrm{CoF}_{6}\right]^{3-} \) is octahedral while \( \left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+} \) has a pentagonal pyramid shape.
(d) \( \left[\mathrm{CoF}_{6}\right]^{3-} \) is outerorbital complex while \( \left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+} \) is inner orbital complex.
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