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The I.E(1). And the I.E(2) in kJ mol^(-1...

The I.`E_(1)`. And the `I.E_(2)` in kJ `mol^(-1)` of a few elements designated by P,Q,R,S are shown below:

Based on the above information, answer the following questions.
Q. Which of the element is likely to be reactive metal?

A

P

B

Q

C

R

D

S

Text Solution

Verified by Experts

The correct Answer is:
D
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VK JAISWAL-PERIODIC PROPERTIES-ASSERTION-REASON TYPE QUESTIONS
  1. The I.E(1). And the I.E(2) in kJ mol^(-1) of a few elements designated...

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  2. Assertion: In CsF, salt, size of Cs^(+) is slightly higher than size o...

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  3. Assertion :- First electrons affinity fo all element is positive. Re...

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  4. Assertion: Helium has the highest value of ionisation energy among all...

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  5. Assertion: F^(-) ion has highest hydrated radius among the other halid...

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  6. Assertion: magnitude of electron gain enthalpy of oxygen is less than ...

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  7. Assertion: Formation of Cl^(-) ion is exothermic wheres O^(2-) ion for...

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  8. Assertion: The electron gain enthalpy of N is +ve while that of P is -...

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  9. Assertion: The formation of F((g))^(-) from F((g)) is exothermic, wher...

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  10. Statement-1: Na^(+) and AI^(3+) are isoelectronic but the magnitude of...

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  11. Assertion: The third period contains only 8 electrons and not 18 like ...

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  12. Statement-I : Cs and F combines violently to form CsF. Statement-II :...

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  13. Statement-1: Second electron gain enthalpy of halogens is always posit...

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  14. Assertion: F atom has less electron afffinity than Cl atom. Reason: ...

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  15. Assertion: Among the halogens bond energy of F(2) is minimum. Reason...

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  16. Assertion: The first ionization energy of Be is greater than that of B...

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  17. Assertion : Noble gases have highest ionisation enthalpies in their re...

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  18. Assertion: Helium and beryllium have similar outer electronic configur...

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  19. Assertion: The first ionisation enthalpy of aluminium is lower than th...

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  20. Assertion: In CsF, salt, size of Cs^(+) is slight higher than size of ...

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  21. Assertion: First electron affinity of all elements is positive. Reas...

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