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Assign reasons for each of the following...

Assign reasons for each of the following
(i) Trasitiono elements exhibit variable oxidation sates.
(ii) Transition metal ions are usually coloured.

A

metalloids

B

transition elements

C

non-metals

D

gases.

Text Solution

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The correct Answer is:
B
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ICSE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-OBJECTIVE (MULTIPLE CHOICE) TYPE QUESTIONS
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  7. Which pair of atomic numbers represents s-block elements ?

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  8. Which pair of elements has the same characteristic chemical properties...

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  9. The values of IE(1),IE(2),IE(3),IE(4) and IE(5) of an element are 7.1,...

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  10. The incorrect statement among the following is

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  11. Ionic radii of

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  12. Correct order of radii

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  13. The correct order of first ionisation potential is

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  14. Among the following complex ions, the species whose central metal atom...

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  15. According to the periodic law of elements, the variation in properties...

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  16. The atomic numbers of vanadium (V), chromium (Cr), manganese (Mn) and ...

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  17. Which one of the following ions has the highest value of ionic radius?

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  18. The formation of the oxide ion O^(2-) (g) requires first an exothermic...

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  20. The first ionisation enthalpy of the elements C,N,P,Si are in the orde...

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