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N(0)//2 atoms of X((g)) are converted in...

`N_(0)//2` atoms of `X_((g))` are converted into `X_((g))^(o+)` by energy `E_(1), N_(0)//2` atoms of `X_((g))` are converted inot `X_((g))^(ɵ)` by energy `E_(2)`. Hence ionisation potential and electron affinity of `X_((g))` per atom are

A

`(2E_1)/N_o, (2(E_1 - E_2))/N_o`

B

`(2E)/N_o, (2E_2)/N_o`

C

`((E_1 - E_2))/N_o, (2E_2)/N_o`

D

`((E_1+E_2))/N_o, E_2/N_o`

Text Solution

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The correct Answer is:
B
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Metals have few electrons in their valence shell while non-metals generally have more electrons in their valence shell. Metallic character is closely related to atomic radius and ionisation enthalpy. Metallic character increases from top to bottom in a group and decreases from let to right in a period of periodic table. metallic character is inversely related to electronegativity of element. Q. 3 N_0//2 atoms of X_((g)) are converted it into X_((g))^(+) by energy E_(1) , 2 N_0//3 atoms of X_((g)) are converted it into X_((g))^(-) by energy E_(2) . hence, ionisation potential and electron affinity of X_((g)) are: ( N_(0) =Avogadro's number)

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VMC MODULES ENGLISH-PERIODIC PROPERTIES OF ELEMENTS-EFFICIENT
  1. N(0)//2 atoms of X((g)) are converted into X((g))^(o+) by energy E(1),...

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  2. Which of these ions possesses the smallest radius?

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  3. An element with atomic number 64 will have the electronic configuratio...

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  4. Which of these is an incorrect statement?

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  5. The stability of ions of Ge Sn and Pb will be in the order .

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  6. Which of these chlorides will have the highest melting point?

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  7. Allred – Rochow’s electronegativity depends upon

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  8. Which of the following transitions involves maximum amount of energy?

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  9. IE(1) and IE(2) of Mg are 178 and 348 kcal mol^(-1). The energy requir...

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  10. The IE1 , IE2 , IE3 and IE4 of an element are 5.7, 11.03, 42.89, 57 e...

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  11. Among N, C, Si and P, which has highest electronegativity :

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  12. Calculate the electronegativity of fluorine from the following data: ...

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  13. Ionisation potential and electron affinity of fluorine are 17.42 and 3...

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  14. The elecron affinity of chlorine is 3. 7 eV. How much energy in kcal i...

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  15. If the covalent radius of silicon is 1.175 Å then its elec-tronegati...

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  16. Answer the following question (Based on EA, Delta(eg)H^(ɵ) and IE). I...

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  17. Property of the alkaline earth metals that increases down the group w...

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  18. The ionisation potentials of atoms A and B are 400 and 300 kcal mol^(-...

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  19. For the gaseous reaction K+F rarrK^(o+)+F^(ɵ) Delta H = 19 kcal mo...

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  20. How many Cl atoms can you ionise in the process ClrarrCl^(o+)+e^(-) by...

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