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Which group of elements shows lowest ion...

Which group of elements shows lowest ionisation enthalpy?

A

Alkali metals

B

Alkaline earth metals

C

Halogens

D

Noble gases

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The correct Answer is:
A
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NCERT FINGERTIPS-CLASSIFICATION OF ELEMENTS AND PERIODICITY -Periodic Trends In Properties Of Elements
  1. Which of the following transitions involves maximum amount of energy?

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  2. What is the order of successive ionisation enthalpies?

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  3. Which group of elements shows lowest ionisation enthalpy?

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

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  5. The ionisation energy of nitrogen is more than that of oxygen because

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  6. which of the following elements has the highest value of second ioniza...

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  7. Which of the following can most easily form unipositive gaseous ion?

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  8. Amongst the metal Be, Mg, Ca and Sr of group 2 of the periodic table, ...

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  9. Beryllium has higher ionisation enthalpy than boron.This can be explai...

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  10. A sudden large jump between the values of second and third ionisation ...

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  11. Few elements are matched with their successive ionisation energies,Ide...

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  12. First and second ionisation enthalpies(in KJ/mol) of few elements are ...

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  13. Ionization enthalpies of transition metals are

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  14. Consider these electronic configurations for neutral atoms: (i) 1s^(...

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  15. Which of the following element will have highest ionization energy?

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  16. Few values of enthalpies are given below: O=-141 KJ mol^(-1) F= -328 K...

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  17. In the given graph,a periodic property (R) is plotted against atomic n...

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  18. Which is correct increasing order of their tendency of the given eleme...

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  19. Which of the following have least electron affinity?

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  20. Which one of the following arrangements represents the correct order o...

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