Which of the following is the correct order of size of the given species? (a) I>I>I+ (b) I+>I–>I (c) i>i+>i– (d) i– >i>i+

Asked by Pinaki 10/10/2018 Last Modified 08/10/2025

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Among halogens, the correct order of amount of energy released in electron gain (electron gain enthalpy) is
(a) F > Cl > Br > I
(b) F < Cl < Br < I
(c) F < Cl > Br > I
(d) F < Cl < Br > I

Answer is C as due to interelectronic repusion and small size F has less negative electron gain enthalpy than Cl

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(a) Na (b) K (c) Li (d) Cs

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Preparing for IIT JEE in class 11 will enhance your understanding of the subjects and knowledge once gathered will never get wasted . So you can go for it . Just have to study according to board exam as well . Good luck

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The size of isoelectronic species-F^–, Ne and Na⁺is affected by
(a) nuclear charge (Z)
(b) valence principal quantum number (n)
(c) electron-electron interaction in the outer orbitals
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Which of the following is the correct order of size of the given species? (a) I>I>I+ (b) I+>I–>I (c) i>i+>i– (d) i– >i>i+

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