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The TRUE statement about [Cu(H2O)6]2+ is
  • a)
    All Cu–O bond lengths are equal
  • b)
    One Cu–O bond length is shorter than the remaining five
  • c)
    Three Cu–O bond lengths are shorter than the remaining three
  • d)
    Four Cu–O bond lengths are shorter than the remaining two
Correct answer is option 'D'. Can you explain this answer?
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The TRUE statement about [Cu(H2O)6]2+ isa)All Cu–O bond lengths ...
Bond Lengths in [Cu(H2O)6]2

Introduction:
[Cu(H2O)6]2 is a complex ion of copper (II) with six water molecules coordinated to it. The structure of the complex ion is octahedral with copper at the center and six water molecules surrounding it.

Bond Lengths:
The bond lengths in [Cu(H2O)6]2 are determined by the nature of the chemical bonds between copper and water molecules. The bond lengths can be determined by X-ray crystallography.

Determination of Bond Lengths:
The bond lengths in [Cu(H2O)6]2 have been determined by X-ray crystallography, and it has been found that four CuO bond lengths are shorter than the remaining two.

Explanation:
The X-ray crystallography data shows that the CuO bond lengths range from 1.93 Å to 2.02 Å. The four shortest bond lengths are approximately 1.93 Å, and the two longest bond lengths are approximately 2.02 Å.

Conclusion:
In conclusion, the correct statement about [Cu(H2O)6]2 is that four CuO bond lengths are shorter than the remaining two. This is due to the nature of the chemical bonds between copper and water molecules, which results in shorter bond lengths for some of the CuO bonds.
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The TRUE statement about [Cu(H2O)6]2+ isa)All Cu–O bond lengths are equalb)One Cu–O bond length is shorter than the remaining fivec)Three Cu–O bond lengths are shorter than the remaining threed)Four Cu–O bond lengths are shorter than the remaining twoCorrect answer is option 'D'. Can you explain this answer?
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The TRUE statement about [Cu(H2O)6]2+ isa)All Cu–O bond lengths are equalb)One Cu–O bond length is shorter than the remaining fivec)Three Cu–O bond lengths are shorter than the remaining threed)Four Cu–O bond lengths are shorter than the remaining twoCorrect answer is option 'D'. Can you explain this answer? for Chemistry 2025 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about The TRUE statement about [Cu(H2O)6]2+ isa)All Cu–O bond lengths are equalb)One Cu–O bond length is shorter than the remaining fivec)Three Cu–O bond lengths are shorter than the remaining threed)Four Cu–O bond lengths are shorter than the remaining twoCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Chemistry 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The TRUE statement about [Cu(H2O)6]2+ isa)All Cu–O bond lengths are equalb)One Cu–O bond length is shorter than the remaining fivec)Three Cu–O bond lengths are shorter than the remaining threed)Four Cu–O bond lengths are shorter than the remaining twoCorrect answer is option 'D'. Can you explain this answer?.
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