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Coordination Compounds

Short Answer Type

31.

Illustrate the geometrical isomers of [Pt(NH₃)₄Cl₂]⁺.

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32. FeSO₄ solution mixed with (NH₄)₂SO₄ solution in 1 : 1 molar ratio gives the test of Fe²⁺ ion but CuSO₄ solution mixed with aqueous ammonia in 1:4 molar ratio does not give the test of Cu²⁺ ion. Explain why?

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33.

How many coordination sites are there in ethylene diamine CH₃NH₂?

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34.

Which type of ligands form chelates?

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35.

What is the shape of [Co(NH₃)₆]³⁺ complex ion?

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36.

What are the most common coordination number encountered in coordination compounds?

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37.

What is the oxidation state of Ni in Ni(CO)₄?

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38.

Give the geometry and magnetic character of [NiCl₄]^2–?

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39.

Give one example of hexadentate ligand. Give its use.

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40.
What is coordination number? Give coordination of Co in [Co(en)₃]³⁺ ion.

The number of ligand surrounding a central metal ion is called coordination number. The coordination of CO in this complex is 6 because en (ethylene diamine) is bidentate ligand.

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