Question

8. (12 pts) Predict which complex in each of the following pairs will have lower crystal field splitting and provide a rationale for each choice. a) $[CoF_6]^{4-}$ or $[CoF_6]^{3-}$ b) $[TiF_6]^{3-}$ or $[VF_6]^{2-}$ c) $[CoCl_6]^{4-}$ or $[CoCl_4]^{2-}$ d) $[Co(NH_3)_5Cl]^{2+}$ or $[Co(NH_3)_5(NO_2)]^{2+}$ e) $[Co(CN)_6]^{3-}$ or $[Ir(CN)_6]^{3-}$ f) $[RhCl_6]^{3-}$ or $[Rh(CN)_6]^{3-}$

Name: 8 12 pts predict which complex in each of the following pairs will have lower crystal field splitting and provide a rationale for each choice a cof64 or cof63 b tif63 or vf62 c cocl64 o 33687
Uploaded: 2022-03-21T08:15:18-08:00
Duration: 2 min 13 s
Channel: Adriano Chikande
Description: 8 12 pts predict which complex in each of the following pairs will have lower crystal field splitting and provide a rationale for each choice a cof64 or cof63 b tif63 or vf62 c cocl64 o 33687

          8. (12 pts) Predict which complex in each of the following pairs will have lower
crystal field splitting and provide a rationale for each choice.
a) $[CoF_6]^{4-}$ or $[CoF_6]^{3-}$
b) $[TiF_6]^{3-}$ or $[VF_6]^{2-}$
c) $[CoCl_6]^{4-}$ or $[CoCl_4]^{2-}$
d) $[Co(NH_3)_5Cl]^{2+}$ or $[Co(NH_3)_5(NO_2)]^{2+}$
e) $[Co(CN)_6]^{3-}$ or $[Ir(CN)_6]^{3-}$
f) $[RhCl_6]^{3-}$ or $[Rh(CN)_6]^{3-}$

8 12 pts predict which complex in each of the following pairs will have lower crystal field splitting and provide a rationale for each choice a cof64 or cof63 b tif63 or vf62 c cocl64 o 33687

Added by Jose D.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Adriano Chikande

03/21/2022

Step 1

Higher oxidation state leads to larger crystal field splitting. Therefore, $[CoF_6]^{4-}$ has lower crystal field splitting. Show more…

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8. (12 pts) Predict which complex in each of the following pairs will have lower crystal field splitting and provide a rationale for each choice. a) $[CoF_6]^{4-}$ or $[CoF_6]^{3-}$ b) $[TiF_6]^{3-}$ or $[VF_6]^{2-}$ c) $[CoCl_6]^{4-}$ or $[CoCl_4]^{2-}$ d) $[Co(NH_3)_5Cl]^{2+}$ or $[Co(NH_3)_5(NO_2)]^{2+}$ e) $[Co(CN)_6]^{3-}$ or $[Ir(CN)_6]^{3-}$ f) $[RhCl_6]^{3-}$ or $[Rh(CN)_6]^{3-}$