Select the incorrect statement
(1) The geometry of a complex can be predicted
\( P \) from the knowledge of its magnetic behaviour on the basis of valence bond theory.
- (2) \( \left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]+3 \), is a diamagnetic octahedral complex and an inner orbital complex.
- (3) \( \left[\mathrm{CoF}_{6}\right]^{+3} \) is called an outer orbital complex as it uses \( 4 \mathrm{~d} \) orbitals in hydridisation.
- (4) \( \left[\mathrm{NiCl}_{4}\right]^{-2} \&\left[\mathrm{Ni}(\mathrm{CO})_{4}\right] \) both complexes are tetrahedral.
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