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Assertion: In CsF, salt, size of Cs^(+) ...

Assertion: In CsF, salt, size of `Cs^(+)` is slight higher than size of `F^(-)`.
Reason: `Cs^(+)` is largest monoatomic cation and `F^(-)` is smallest anion.

A

If both assertion and reason are true annd the reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but the reason is false

D

if assertion is false but the reason is true

Text Solution

Verified by Experts

The correct Answer is:
D
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VK JAISWAL ENGLISH-PERIODIC PROPERTIES-ASSERTION-REASON TYPE QUESTIONS
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  2. Assertion :- First electrons affinity fo all element is positive. Re...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  17. He and Be both have the same outer electronic configuration like ns^(2...

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

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

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

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