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The paramagnetic species is...

The paramagnetic species is

A

`KO_(2)`

B

`SiO_(2)`

C

`TiO_(2)`

D

`BaO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`KO_(2) rarr K^(+) O_(2)^(-2) O_(2)^(-1)` [Superoxide ion] paramagnetic
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
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  5. The pair of amphoteric hydroxides is

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  6. The pair whose both species are used in acid medicinal preparation is:

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  7. Which of the following oxides is not expected to react with sodium hyd...

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  8. A compound X on heating gives a colourless gas. This residue is dissol...

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  9. Property of the alkaline earth metals that increases with their atomic...

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  10. Which of the following compounds has the lowest melting point ?

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  11. Match List-I with List-II for the composition of substances and select...

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  12. Which of the following statements is incorrect:-

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  13. Which of the following is not hygroscopic-

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  14. The compound which does not exist as hydrate form

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  17. The minimum equivalent conductance in fused state is shown by-

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  18. Sodium hydroxide is manufacture by the electrolysis of brine solution....

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  19. Sodium carbonate is manufactured by Solvay process, the products that ...

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