Which of the following complex is paramagnetic, inner orbital complex and coloured :-
Which of the following complex is paramagnetic, inner orbital complex and coloured :-
Option 1 - <p>[Ni(NH<sub>3</sub>)<sub>6</sub>]+2</p>
<p> </p>
Option 2 - <p>[Co(H<sub>2</sub>O)<sub>6</sub>]+2</p>
Option 3 - <p>[Ti(H<sub>2</sub>O)<sub>6</sub>]+3</p>
<p> </p>
Option 4 - <p>[Co(NH<sub>3</sub>)<sub>6</sub>]+3</p>
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Correct Option - 3
Detailed Solution:
(1) [Ni (NH3)6]+2 → Ni+2 → d8, C. No. = 6,
SP3d2, Para
(2) [Co (H2O)6]+2 → Co+2 → d6, C. No. = 6
d2sp3, Dia
(3) [Ti (H2O)6]+3 → Ti+3 → d1, C. No. = 6
d2SP3, Para
(4) [Co (NH3)6]+3 → Co+3 → d5, C. No. = 6
d2sp3, Para
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Chemistry Thermodynamics 2025
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