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Which one of the following ions exhibits...

Which one of the following ions exhibits d-d transition and paramagnetism as well ?

A

`MnO_(4)^(-)`

B

`Cr_(2)O_(7)^(-)`

C

`CrO_(4)^(2-)`

D

`MnO_(4)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
D
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CHHAYA PUBLICATION-PREVIOUS YEARS QUESTION PAPER 2018-NEET 2018
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  7. Consider the change in oxidation state of bromide corresponding to dif...

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  8. Carboxylic acids have higher boiling points than aldehydes, ketones an...

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  9. Compound A, C(8)H(10)O , is found to react with NaOH (produced by reac...

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  10. Which of the following statements is not true for halogens ?

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  11. In the structure of CIF(3), the number of lone pairs of electrons on c...

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  13. Nitration of aniline in strong acidic medium also gives m-nitroaniline...

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  15. The compound A on treatment with Na gives B, and with PCl(5) gives C. ...

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  16. The compound C(7)H(8) undergoes the following reaction - C(7)H(8) un...

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  18. Iron exhibits bcc structure at room temperature . Above 900^(@)C, it t...

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  19. When initial concentration of the reactant is doubled, the half-life p...

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