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Which of the following is paramagnetic?...

Which of the following is paramagnetic?

A

`H_(2)O`

B

`K_(2)O`

C

`Na_(2)O_(2)`

D

`KO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Superoxides of alkali metals are paramagnetic and coloured. Hence, `KO_(2)` (potassium superoxide) is paramagnetic In nature.
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ARIHANT PUBLICATION JHARKHAND-PERIODIC CLASSIFICATION OF ELEMENTS-EXAM BOOSTER FOR CRACKING EXAM
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  2. The base of modern periodic table is

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  3. Dobereiner triad is

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  8. In which of the following carbon is most electronegative?

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  9. C and Si are placed in the same group, because

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  10. Which of the following has highest melting point?

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  11. Which of the following is not a periodic property?

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  12. The alkali metals

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  13. If an element is in fifth group, then with respect to the hydrogen, it...

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  14. Which of the following is not the characteristics of alkali metals?

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  15. The alkali metals are strong reducing agents due to

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  16. Which of the following is paramagnetic?

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  17. A trend common to both alkali metals and halogens is that as the atomi...

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  18. Which of the following has density greater than water?

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