Q102P Rank the following in order of i... [FREE SOLUTION]

Chapter 23: Q102P (page 1022)

Rank the following in order of increasing $鈭�$ and energy of light absorbed: ${[Cr {({NH}_{3})}_{6}]}^{3 +}, {[Cr {(H_{2} O)}_{6}]}^{3 +}, {[Cr {({NO}_{2})}_{6}]}^{3 +}$

Short Answer

Expert verified

The final answer in increasing order is: ${[Cr {(H_{2} O)}_{6}]}^{3 +} < {[Cr {({NH}_{3})}_{6}]}^{3 +} < {[Cr {({NO}_{2})}_{6}]}^{3 +}$

Step by step solution

Given Information

Given compounds are:

${[Cr {({NH}_{3})}_{6}]}^{3 +}, {[Cr {(H_{2} O)}_{6}]}^{3 +}, {[Cr {({NO}_{2})}_{6}]}^{3 +}$

Concept Introduction

The stronger field the ligand is, the bigger the energy of light absorbed. Spectrochemical series (from weak-field to strong-field ligands):

$I^{-} < {Cl}^{-} < F^{-} < {OH}^{-} < H_{2} O < {SCN}^{-} < {NH}_{3} < en < {NO}_{2}^{-} < {CN}^{-} < CO$

Solution

We can now quickly formulate the answer to this problem using the spectrochemical series and the information above:

${[Cr {(H_{2} O)}_{6}]}^{3 +} < {[Cr {({NH}_{3})}_{6}]}^{3 +} < {[Cr {({NO}_{2})}_{6}]}^{3 +}$

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91影视

Rank the following in order of increasing $鈭�$ and energy of light absorbed: ${[Cr {({NH}_{3})}_{6}]}^{3 +}, {[Cr {(H_{2} O)}_{6}]}^{3 +}, {[Cr {({NO}_{2})}_{6}]}^{3 +}$

Short Answer

Step by step solution

Given Information

Concept Introduction

Solution

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91影视

Rank the following in order of increasing鈭�and energy of light absorbed:[Cr(NH3)6]3+,[Cr(H2O)6]3+,[Cr(NO2)6]3+

Short Answer

Step by step solution

Given Information

Concept Introduction

Solution

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Chemical Reactions

Physical Chemistry

Chemistry Branches

Kinetics

Nuclear Chemistry

Ionic and Molecular Compounds

Study anywhere. Anytime. Across all devices.

Rank the following in order of increasing $鈭�$ and energy of light absorbed: ${[Cr {({NH}_{3})}_{6}]}^{3 +}, {[Cr {(H_{2} O)}_{6}]}^{3 +}, {[Cr {({NO}_{2})}_{6}]}^{3 +}$