Which Of The Following Isoelectronic Ions Has Lowest Ionisation Energy?

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Question

Which of the following isoelectronic ions has lowest ionisation energy?

easy

Solution

Correct option is

S^2–

S^2– has the largest size and hence, has the lowest ionization energy.

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SIMILAR QUESTIONS

Q1

Which of the following ion is the smallest ion?

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Q2

Which of the following is the smallest in size?

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Q3

The smallest among the following ions is

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Q4

In the isoelectronic species the ionic radii (Å) of N^3–, O^2– and F^– are respectively given by

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Q5

The trivalent ion having largest size in lanthanide series is

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Q6

Which of the following elements will have the lowest first ionisation energy?

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Q7

A sudden large jump between the values of second and third ionisation energies of an element would be associated with the electronic configuration

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Q8

The correct order of ionisation energy for comparing carbon, nitrogen and oxygen is

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Q9

Which of the following relation is correct?

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Q10

If the IP of Na is 5.48 eV, the ionization potential of K will be

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