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Assertion: SO(4)^(2-) is estimated as Ba...

Assertion: `SO_(4)^(2-)` is estimated as `BaSO_(4)` but not as `MgSO_(4)`
Reason : Ionic radius of `Mg^(2+)` is smaller than that of `Ba^(2+)`

A

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

B

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

C

If assertion is false but reason is true

D

If assertion is true but the reason is false

Text Solution

Verified by Experts

The correct Answer is:
B
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Assertion: Under similar conditions of temperature and pressure, O_(2) diffuses 1.4 times faster than SO_(2) . Reason: Density of SO_(2) is 1.4 times greater than that of O_(2) .

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VK JAISWAL ENGLISH-s-BLOCK ELEMENTS-ASSERTION-REASON TYPE QUESTIONS
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  2. Assertion: M.P of BeCl(2) is less than that of MgCl(2), but reverse is...

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  3. Inspite of very high ionisation energy, lithium is the strongest reduc...

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  4. Assertion: Li(2)SO(4) does not form double salt like alum Reason: Li...

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  5. Assertion: BeCi(2) cannot be easily hydrolysed. Reason: BeCl(2) is el...

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  6. Assertion: K^(+) and NH(4)^(+) ions have many similarities in their te...

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  7. Assertion: Alums are crystalline double salts, which are soluble in wa...

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  8. Assertion: Mg gets oxidised when heated in CO(2) atmosphere. Reason:...

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  9. Assertion: Mg^(2+)+ZnSO(4) to MgSO(4)+Zn^(2+) Reason: More active me...

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  10. Assertion: Li resembles with Mg in properties Reason: Li^(+) has alm...

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  11. Assertion: Be(OH)(2) dissolves in excess NaOH solution. Reason: Be(O...

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  12. Assertion: SO(4)^(2-) is estimated as BaSO(4) but not as MgSO(4) Re...

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  13. The densities of alkaline earth metals are much smaller than those of ...

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  14. Assertion: Be and Mg do not impat characteristic colour to the flame. ...

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  15. Assertion: Among hydroxides of alkali metals, LiOH is the weakest base...

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  16. Assertion: BaSO(4) is insoluble in water. Reason: Lattice energy of ...

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  17. Assertion: CsI is sparingly soluble in water Reason: Hydration ener...

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  18. Assertion : Potassium is not obtained by the electrolysis of fused KCl...

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  19. Assertion: M.P of BeCl(2) is less than that of MgCl(2), but reverse is...

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  20. Which of the following is the most important factor in making lithium ...

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