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In which complex is the transition metal...

In which complex is the transition metal in zero oxidation state:

A

`[Co(NH_3)_6 Cl_2]`

B

`[Fe(H_2O)_6]SO_4`

C

`H[Co(CO)_4]`

D

`K_4[Ni(CN)_4]`

Text Solution

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The correct Answer is:
D
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MOTION-COORDINATION COMPOUND-EXERCISE -2 (LEVEL I) OBJECTIVE PROBLEMS JEE MAIN
  1. Which of the following has an optical isomer?

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  2. Trioxalato aluminate (III) and tetrafluoro-borate (III) ions are:

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  3. In which complex is the transition metal in zero oxidation state:

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  4. The IUPAC name for the coordination compound Ba[BrF4]2 is:

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  5. The complexes given below show : " and "

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  6. For the complex ion dichloro bis (ethylene diamine) cobalt (III), sele...

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  7. Type of isomerism exhibited by [Ir(OCN)2(H2O)3]

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  8. Which of the following complex exhibits geometrical isomerism

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  9. The total number possible isomers for the complex compound [Cu^(II)(NH...

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  10. Which complex is likely to show optical activity :

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  11. [Co(NH3)5Br]SO4 and [Co(NH3)5SO4]Br are the examples of:

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  12. Which of the following is non-ionizable-

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  13. [Cu(NH3)4]^(2+) has hybridisation and magnetic moment

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  14. Which of the following statements is incorrect?

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  15. The number of geometrical isomers for octahedral [CoCl(4)(NH(3))(2)]^(...

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  16. The complex which exhibits cis-trans isomerism as well as can be resol...

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  17. [Co(en)3]^(3+) ion is expected to show

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  18. An ion M^(2+) forms the complexes. [M(H(2)O)(6)]^(2+)" "[M(en)(3)]^(...

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  19. Among TiF(6)^(2-), CoF(6)^(3-), Cu(2)Cl(2)" and "NiCl(4)^(2-) the colo...

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  20. Which of the following statements is not correct?

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