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Why do the tetrahedral compounds of the ...

Why do the tetrahedral compounds of the type `MA_(2)B_(2)` not display geometrical isomerism?

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Since the ligands are equidistant from each other, their relative positions remain the same even when the position of two or more ligands are interchanged
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CHHAYA PUBLICATION-COORDINATION COMPOUNDS OR COMPLEX COMPOUNDS-EXERCISE (VERY SHORT ANSWER-TYPE QUESTIONS) (Answer in one two sentences)
  1. Write the IUPAC name of the ionisation isomer of [Co(NH(3))(5)SO(4)]Br...

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  2. Write the IUPAC name of the coordination isomer of [Co(en)(3)][Cr(CN)(...

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  3. How many isomers are possible for [Co(NH(3))(4)Cl(2)]Cl?

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  4. How will you identify cis- and trans- isomers of [Pt(NH(3))(2)Cl(2)]?

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  5. Why do most transition elements and their compounds exhibit paramagnet...

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  6. Why do the tetrahedral compounds of the type MA(2)B(2) not display geo...

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  7. Name the ligand used in the treatment of lead toxicity.

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  8. Give an example of a complex used in cancer- chemotherapy.

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  9. What is the state of hybridisation of Ni in [Ni(CN)(4)]^(2-)?

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  10. Cite an example of linkage isomerism.

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  11. What is 'fixing' in photography?

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  12. Give example of symmetrical & unsymmetrical bidentate lignads.

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  13. Give two examples of complexes having biological importance.

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  14. Which coordination compounds removes hardness of water?

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  15. Which coordination number(s) is/are most common in coordination compou...

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  16. What is indicated by 'Delta(0)lt P' in an octahedral crystal field?

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  17. How many ions will be produced by [Pt(NH(3))(6)]Cl(4)?

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  18. How many isomers are possible for the compound [Cu(NH(3))(4)][PtCl(4)]...

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  19. Name a organometallic compound used as homogeneous catalyst.

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  20. How many unpaired electrons are there in [Pt(CN)(4)]^(2-) ion (square ...

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