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The amount of energy released when 10^(6...

The amount of energy released when `10^(6)` atoms of iodine in vapour state are converted into `I^(-)` ions is `4.8xx10^(-13)J`. What is the electron affinity of iodine in `kJmol^(-1)`

A

489

B

289

C

259

D

389

Text Solution

Verified by Experts

The correct Answer is:
B
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CHHAYA PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-MCQ HOTSPOT
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  2. The amount of energy released when 10^(6) atoms of iodine in vapour st...

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  3. The elements which occupy the peaks of ionisation energy potential cur...

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  4. The electronic conifiguration of the atom having maximum difference in...

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  5. Identify the least stable ion amongst the following-

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  6. If each orbital can accommodate maximum of four electrons,, the number...

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  7. Three elements, X and Y and Z are present in the third short period an...

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  8. A gaseous mixture of He, Ne, Ar and Kr is irradiated with photons of f...

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  9. Boiling point of Kr & Rn are -152^(@)C&-62^(@)C respectively. Then the...

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  10. Which of the following is smallest in size-

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  11. Atomic radius of Li is 1.23 Å and ionic radius of Li^(+) is 0.76 Å. Pe...

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  12. Number of valency electrons in element A is 3 and that in the element ...

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  14. The correct order of radii is-

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  15. The atomic number of the inert gas in which the total number of d-elec...

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  17. Which occupy peak of the atomic volume curve-

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  18. The ionisation energy will be maximum for the process-

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  20. The most reactive metal is-

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