If the CFSE of [Ti(H2O)6]3+ is –96.0 kJ/mol, this complex will absorb maximum at wavelength ______ nm. (nearest integer) Assume Planck' constant (h) = 6.4 × 10–34 Js, Speed of light (c) = 3.0 × 108 m/

Question

If the CFSE of [Ti(H2O)6]3+ is –96.0 kJ/mol, this complex will absorb maximum at wavelength ______ nm. (nearest integer) Assume Planck' constant (h) = 6.4 × 10–34 Js, Speed of light (c) = 3.0 × 108 m/s and Avogadro's constant (NA) = 6 × 1023/mol.

Prashant Kotian · Accepted Answer

Correct answer: .. [Ti(H2O)6]3+ Ti+3 : 3d1  t2g1,0,0, eg0,0 CFSE = [–0.4 g 2tn + 0.6 g e n ]o 3 6 96    = –0.4 o o = 3 6 . 10    = 4 × 10–19 J o =  hc = 4 × 10–19 J  = 8 10 10 10 .       = 4.8 × 10–7 m  = 480 × 10–9 m  = 480 nm

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