Select the correct statements \( \mathrm{P} \) (1) Hydrated \( \mathrm{Co}^{+2} \) salt is pink ...

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Select the correct statements
\( \mathrm{P} \)
(1) Hydrated \( \mathrm{Co}^{+2} \) salt is pink
W
(2) Anhydrous \( \mathrm{Co}^{+2} \) salt is of blue colour
(3) Hybridisation of \( \mathrm{CoCl}_{2} \cdot 6 \mathrm{H}_{2} \mathrm{O} \) is \( \mathrm{sp}^{3} \mathrm{~d}^{2} \)
(4) All of these
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