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Statements I : Ionisation energy of fluo...

Statements I : Ionisation energy of fluorine is greater than oxygen.
Statement II : On moving across a period ,nuclear charge increases

A

Both the Statements are individually true and II is the correct explanation of I.

B

Both the statements are individually true and II is not the correct explanation of I.

C

Statement I is correct and II is false

D

Statement I is false and II is true

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Statement-1: Ionization enthalpy of Be is greater than that of B. Statement-II: The nuclear charge of B is greater than that of Be.

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SURA PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-ADDITIONAL CHOOSE THE CORRECT ANSWER
  1. The elements having highest ionization energies within their periods a...

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  2. Across the period , Ionisation energy

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  3. Statements I : Ionisation energy of fluorine is greater than oxygen. ...

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  4. Which of the following statements are correct? (i) Helium has the ...

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  5. Which of the following factor decreases across the period ?

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  6. Ionisation enthalpy is an process

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  7. The effective nuclear charge across the period (from left to right)

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  8. Which of the following N^(3-),O^(2-),F^(-) is largest in size?

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  9. The radii of F, F^(-) , O andO^(2-) are in the order

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  10. Which of the following atom has the lowest ionization enthalpy?

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  11. Which of the following has the highest positive electron gain enthalpy...

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  12. Which of the following statements is incorrect ?

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  13. Correct order of 1st ionization potential among elements Be,B,C,N,O is

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  14. The most electronegative element of the periodic table is

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  15. Assertion (A) : The first ionization energy of Al is lower than Mg. ...

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  16. Ionic radii are

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  17. Which of the following sets contain only isoelectionic ions?

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  18. With repect to chlorine ,hydrogen will be

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  19. Which orbital diagram gives an insight to the highest ionization ene...

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  20. Among the elements given below has the highest value of electronegativ...

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