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In which of the following complexes the ...

In which of the following complexes the metal ion is in zero oxidation state ?

A

`[Cu(NH_3)_4]Cl_2`

B

`Zn_2[Fe(CN)_6]`

C

`Mn_2(CO)_(10)`

D

`[Ag(NH_3)_2]Cl`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-REVISION EXERCISE -d-BLOCK ELEMENTS
  1. The complex K3[Fe(CN)6] should have a spin only magnetic moment of

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  2. The pair of the compounds in which both the metals are in the highest ...

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  3. In which of the following complexes the metal ion is in zero oxidation...

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  4. Which of the following is diamagnetic?

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  5. Which one of the following sets correctly represents the increase in t...

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  6. In the complex [Ni(H2O)2 (NH3)4]^(2+) the number of unpaired electron...

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  7. Heat of atomization of zinc is lowest among 3d block elements due to

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  8. The positive standard reduction potential of Cu^(+2)/ Cu electrode is ...

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  9. The observed and calculated E^0 values for M^(+2)/M are same for

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  10. When a large amount of KMnO4 is added to concentrated H2SO4, an explos...

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  11. Reaction of KMnO4 in neutral or very weakly acidic solution can be rep...

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  12. When KMnO4 is added to oxalic acid, the decolourisation is slow in the...

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  13. A solution of potassium chromate is treated with an excess of dilute n...

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  14. K2Cr2O7 cannot be used for

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  15. When acidified solution of potassium dichromate is shaken with aqueous...

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  16. The blue colour produced on adding hydrogen peroxide to acidified K2Cr...

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  17. Which of the following metals is known to form acidic oxide

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  18. In the dichromate dianion

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  19. The oxidation state of chromium in the final product formed by the rea...

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  20. Which of the following element has f electro nic configuration in its ...

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