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Among the following group of element, th...

Among the following group of element, the one whose element can have positive as well as negative oxidation states are :

A

H, F, O

B

Na, Mg, Al

C

He, Li, Be

D

H, Cl, Br

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The correct Answer is:
D
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MBD PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. Which set of elements have nearly the same atomic radii ?

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  2. Among thr following elements, the most electronegativity is :

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  3. Among the following group of element, the one whose element can have p...

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  4. The process requiring the adsorption of :

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  5. Which of the following is Dobereiner traid :

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  6. In III period, the mst acidic oxide is formed by :

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  7. The example of metalloid elements in the periodic table is :

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  8. Manganese belongs to ……… of periodic table:

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  9. Which is more electropositive ?

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  10. The elements X,Y,Z and J have the indicated electron configuration st...

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  11. The correct order of the size of the iodine species is :

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  12. An example of a non-stoichiometric compound is :

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  13. Which of the following is paramagnetic ?

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  14. Which arrangement for the three halogens Cl, Br and I is correct in th...

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  15. Almost the following elements the configuration having the highest ion...

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  16. Which series of elements would have nearly the same atomic radii ?

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  17. Which metal exahibits more than one oxidation state:

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  18. The element with the highest first ionozation potential is :

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  19. The Halogen which has the highest electron affinity :

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  20. The correct order of second ionization potential of C, N, O and F is :

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