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Atomic numbers of Cr and Fe are respecti...

Atomic numbers of `Cr` and `Fe` are respectively `24` and `26`. Which of the following is paramagnetic with the spin of the electron?

A

`[Cr(NH_(3))_(6)]^(+3)`

B

`[Fe(CO)_(5)]`

C

`[Fe(CN)_(6)]^(-4)`

D

`[Cr(CO)_(6)]`

Text Solution

Verified by Experts

The correct Answer is:
A
All metal carbonyls are diamagnetic cyanide complexes are also diamagnetic.
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ERRORLESS -D & P-BLOCK ELEMENTS-Critical Thinking
  1. Atomic numbers of Cr and Fe are respectively 24 and 26. Which of the f...

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  2. The basic character fo the transition metal monoxides follows the orde...

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  3. Which of the following pairs of metals uis purified by van arkel meth...

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  4. Sulphur trioxide can be obtained by which of the following reactions :

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  5. In following reaction yMnO(4)^(-)+xH^(+)+C(2)O(4)^(2-)rarryMn^(++)+2...

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  6. The acidic, basic or amphoteric nature of Mn2O7, V2O5 and CrO are res...

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  7. What happens when aluminium and zinc salts react with an excess of NaO...

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  8. Which of the following ions form most stable complex compound

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  9. Which transition metal reduces steam to evolve hydrogen

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  10. General configuration of outermost and penultimate shell is (n - 1) s^...

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  11. Arrange Ce^(3+),La^(3+), Pm^(3) and Yb^(3+) in increasing order of the...

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  12. The atomic numbers of vandium (V). Chromium (Cr), manganese (Mn) and i...

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  13. Irregular trend in the standard reduction potential value of first row...

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  14. The correct order of increasing oxidising power in the series is

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  15. Mn^(2+) can be converted into Mn^(7+) by reacting with

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  16. An elements is in M^(3+) form. Its electronic configuration is [Ar]3d^...

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  17. Transition metal with low oxidation state will act as:

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  18. Which of the following is not an element.

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  19. Which of the following is more paramagnetic

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  20. Formula of thiosulphate, manganate and arsenate respectively are

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