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What is the oxidation number of chromium...

What is the oxidation number of chromium in the dimeric hydroxo bridged species?

A

`+6`

B

`+4`

C

`+3`

D

`+2`

Text Solution

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The correct Answer is:
C
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MOTION-COORDINATION COMPOUND-EXERCISE-4 LEVEL-II PREVIOUS YEAR JEE ADVANCED
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  2. Which of the following pair of compounds is expected to exhibit same c...

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  3. Which kind of isomerism is shown by Co (NH(3))(4) Br(2) Cl ?

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  4. The coordination number of Ni^(2+) is 4. NiCl(2) + KCN ("excess") ra...

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  5. The coordination number of Ni^(2+) is 4. NiCl(2) + KCN ("excess") ra...

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  6. The coordination number of Ni^(2+) is 4. NiCl(2) + KCN ("excess") ra...

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  7. If the bond length of CO bond in carbon monoxide is 1.128 Å, then what...

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  8. Among the following metal carbonyls, the C-O bond order is lowest in

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  9. Match the complexes in column I with their properties listed in column...

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  10. Among the following , the coloured compound is

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  11. The IUPAC name of [Ni(NH3)4] [NiCl4] is

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  12. Both [Ni(CO)4] and [Ni (CN)4]^(2-) are diamagnetic The hybridisation...

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  13. Statement I [Fe(H(2)O)(5)NO]SO(4) is paramagnetic Statement II The F...

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  14. The spin only magnetic moment value of Cr(CO)(6) is

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  15. The compound(s) that exhibits(s) geometrical isomerism is/are

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  16. The correct structure of ethylenediamineteraacetic acid (EDTA) is .

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  17. The ionisation isomer of [Cr(H(2)O)(4) Cl (NO(2))]Cl

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  18. The complex showing a spin - only magnetic moment

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  19. Among the following complexes (K – P), K3[Fe(CN)6] (K), [Co(NH3)6]Cl3 ...

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  20. The volume (in mL) of 0.1M Ag NO(3) required for complete precipitatio...

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  21. The colour of light absorbed by an aqueous solution of CuSO(4) is

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