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(A): Noble gases are springly soluble in...

(A): Noble gases are springly soluble in water
(R): Neon has high positive electron gain enthalpy. 

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

Both (A) and (R) are false

Text Solution

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The correct Answer is:
B
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Explore conceptually related problems

Noble gases are only sparingly soluble in water due to :

Electron gain enthalpy values

Why Noble gases have zero electron gain enthalpy?

Electron gain enthalpy is known as

The equation used to represent the electron gain enthalpy is

Out of fluorine and chlorine, which has greater electron gain enthalpy?

(A): BeSO_(4) and MgSO_(4) are readily soluble in water (R): The greater hydration enthalpy of Be^(2+) and Mg^(2+) ions overcome the lattice enthalpy of BeSO_(4) and MgSO_(4)

Consider the elements N, P, O and S and arrange them in order of : (b) Increasing negative electron gain enthalpy

Which in each pair of elements has a more negative electron gain enthalpy? Explain.

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AAKASH SERIES-NOBLE GASES-OBJECTIVE EXERCISE - 4 (ASSERTION (A) AND REASON (R ) TYPE QUESTIONS)
  1. (A): Noble gases are springly soluble in water (R): Neon has high p...

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  2. (A): Noble gases are lower melting points and boiling points (R): N...

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  3. (A): Among noble gases Xe can readily form compounds with fluorine ...

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  4. (A): The name helium is made after sun (R): Helium is abundant gas ...

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  5. (A): Helium is found in radioactive minerals (R): During alpha-day,...

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  6. (A): All noble gases are monoatomic (R): Noble gas atom is stable a...

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  7. (A): Neon is used to fill advertisement glass bulbs (R): Neon gives...

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  8. (A): The mole fraction of argon in air is 0.95 (R): The volume perc...

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  9. (A): Radium is a natural source of two noble gases (R): Radium unde...

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  10. (A) Below 2.2 Kelvin, helium is called super fluid (R) Helium has...

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  11. (A) Xenon fluorides are well known and stable but the corresponding ch...

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  12. (A): Electron gain enthalpy of noble gases is very less (R): Atoms of ...

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  13. (A) Atomicity of argon is unity (R) Ratio of molar heat capacities...

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  14. (A) Density of nitrogen obtained in chemical methods is more than that...

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  15. (A) Xenon tetrafluoride molecule is denoted as AB4E4, where E is a lo...

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  16. (A) First ionisation potential of helium is highest (R) The electro...

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  17. (A) Valency of xenon in second excited state is two (R) Xenon forms ...

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  18. (A) Boiling point of helium is least (R) Intermolecular forces of ...

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  19. (A) All the noble gases have ns^2 np^6 electronic configuration in the...

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  20. (A) Helium is regarded as the least volatile of all liquids. (R) ...

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