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Which order is wrong:...

Which order is wrong:

A

Electronegativity - P lt N lt O lt F

B

Ist ionisation potential - B lt Be lt O lt N

C

Basic property - MgO gt CaO gt FeO gt `Fe_2O_3`

D

Reactivity - Be lt Li lt K lt Cs

Text Solution

Verified by Experts

The correct Answer is:
C
Basic property - MgO > CaO > FeO > `Fe_2O_3`
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BRILLIANT PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTIONS (LEVEL-I)
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  2. Which of the following is isoelectronic series:

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  3. The radius of isoelectronic series

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  4. In a period, the elements having least melting point are:

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  5. Which of the following represents a correct sequence of electronegativ...

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  6. Which of the following order of atomic/ionic radius is not correct

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  7. The best reason to account for the general tendency of atomic diameter...

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  8. In which of the following pairs, the ionisation energy of the first sp...

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  9. Which of the following is the correct order of stability of Al^+ , Al^...

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  10. Which of the following transitions involves maximum amount of energy?

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  11. Which order is wrong:

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  12. Decreasing order of size of ions is : Br^- gt S^(-2) gt Cl^- gt N^(-...

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  13. Which of the following reason best explains that Zinc does not show th...

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  14. The correct order of ionization energies of F^(-), Cl^(-), F and Cl is

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  15. Lanthanoid contraction is caused due to:

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  16. Among the following statement which one is correct with respect to th...

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  17. The elements which occupy the peaks of ionization energy curve, are

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  18. Ionic radii of

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  19. In which block, 106th element belongs

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  20. Similarity in chemical properties of the atoms of elements in a group ...

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