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Statement-1 : F arom has a less negative...

Statement-1 : F arom has a less negative electron gain enthalpy than Cl atom.
Statement-2 : Additional electron is repelled more efficiently by 3p electron in Cl atom than by 2p electron in F atom.

A

Statement- 1 is true. statement-2 is true and statement-2 is correct explanation for statement- 1.

B

Staterrent- 1 is true, statement-2 is true and statement-2 is NOT the correct explanation for statement-1.

C

Statement-1 is true, statement-2 is false.

D

Statement-1 is false, statement-2 is true.

Text Solution

Verified by Experts

The correct Answer is:
C
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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-J-ADVANCED EXERCISE
  1. The increasing order of electronegativity in the following elements :

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  2. One element has atomic weight 39. Its electronic configuration is 1s^(...

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  3. The number of paired electrons in oxygen atom is :

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  4. The decreasing size of K^(+),Ca^(2+),Cl^(-) & S^(2-) follows the order...

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  5. Which of the following has the maximum number of unpaired electrons ?

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  6. The incorrect statement Among the following is A)The first ionisation...

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  7. Li^(+),Mg^(2+),K^(+),Al^(3+) (Arrange in increasing order of radii)

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  8. Which one of the following statement (s) is (are) correct?

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  9. The electrons identified by the following quantum numbers n and l: (i)...

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  10. Gaseous state electronic configuration of ntrogen atom can be represen...

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  11. The electronic configuration of an element is 1s^(2), 2s^(2), 2p^(6), ...

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  12. Statement-1 : F arom has a less negative electron gain enthalpy than C...

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  13. The correct order of radii is :

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  14. The IE of Be is greater than that of B.

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  15. The set representing correct order of IP(1) is

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  16. The least stable in amongst the following is :

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  17. The maximum number of electrons that can have principal quantum number...

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  18. In an atom, the total number of electrons having quantum numbers n =...

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  19. The increasing order of atomic radii of the following group 13 element...

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  20. The option (s) with only amphoteric oxides is (are)

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