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Circle the correct answers to the following sentences: a) A solution of 0.5 mL 0.04 M...

Circle the correct answers to the following sentences:

a) A solution of 0.5 mL 0.04 M CoCl2 and 1.5 mL of 2.5 M KSCN contains (tetrahedral OR octahedral OR both tetrahedral and octahedral) complexes.

b) The Co(SCN)42- complex is (red OR blue OR purple) in color and has a \lambda max (maximum wavelength) closest to (500 OR 600 OR 700) nm.

c) The d-orbital energy splitting of Co(SCN)42- is (larger than OR smaller than OR equal to) that of Co(H2O)62+

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Answer #1

cl Colla + 4 KSCN - a K₂ [co (SCN)] + 2 I 7-2 blue NCS Colour Co NCS SCN NCS - CN=4 Tetrahedral Co (SCN) -2 is blue in colour

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