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Assertion (A): K(2)CO(3) cannot be prep...

Assertion (A): `K_(2)CO_(3)` cannot be prepared by Solvaly process.
Reason (R ): `KHCO_(3)` being fairly soluble does not precipitate out in carbonation tower.

A

If both (A) and (R ) are correct and (R ) is the correct explanation of (A).

B

If both (A) and (R ) are correct, but (R ) is not the correct explanation of (A).

C

If (A) is correct, but (R ) is incorrect.

D

If (A) is incorrect, but (R ) is correct.

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • k_(2)CO_(3) cannot be prepared by solvay process because

    A
    `K_(2)CO_(3)` is inoluble in water
    B
    `KHCO_(3)` is soluble in water
    C
    `K_(2)CO_(3)`is unstable
    D
    All the above

  • K_2CO_3 cannot be prepared by Solvay's process because

    A
    `KHCO_3` is less soluble than `NaHCO_3`
    B
    `KHCO_3` is too soluble to get separated from solution
    C
    `K_2 O_3` is too soluble to be precipitated by KCl
    D
    `K_2CO_3` is less soluble than `Na_2CO_3`

  • Assertion: KHCO_(3) can not be obtained by solvay process. Reason: KHCO_(3) is less soluble than NaHCO_(3)

    A
    If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion
    B
    If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion
    C
    If Assertion is True but the Reason is False
    D
    If both Assertion & Reason are False
    • CENGAGE CHEMISTRY-S-BLOCK GROUP 1 - ALKALI METALS-Exercises Assertion Reasoning
    1. Assertion (A): K(2)CO(3) cannot be prepared by Solvaly process. Rea...

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    2. Assertion (A): Sodium cannot be obtained by chemical reduction of its ...

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    3. Assertion (A): Sodium metal is softer than potassium metal. Reason (...

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    4. Assertion (A): Potassium is a stronger reducing agent than sodium. R...

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    5. Assertion (A): NaOH is a stronger base than KOH. Reason (R ): KOH is...

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    6. Assertion (A): Sodium reacts with oxygen to form Na(2)O(2) whereas pot...

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    7. Assertion (A): Aqueous solution of Na(2)CO(3) is alkaline in nature. ...

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    8. Assertion (A): Lithium resembles magnesium diagonally placed in group ...

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    9. Assertion (A): Alkali metals do not occur in native state. Reason (R...

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    10. Assertion (A): Lithium chloride is predominantly covalent compound. ...

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    11. Assertion (A): Caesium metal when dissolved in liquid amtmonia forms a...

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    12. Assertion (A): Alkali metals dissolve in liquid ammoia to give blue so...

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    13. Assertion (A): Li^(o+) (aq) has large ionic redius than Na^(o+) (aQ). ...

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    14. Assertion (A): In rainy season, common salt becomes damp after sometim...

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    15. Assertion (A): Na(2)CO(3) and Li(2)CO(3) are thermally stable. Reaso...

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    16. Assertion (A): Lithium reacts with oxygen to form Li(2)O, but potassiu...

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    17. Assertion (A): Among the alkali metals caesium salts exhibit the maxim...

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    18. Assertion (A): CuCI is more covalent than NaCI. Reason (R ): Na^(o+)...

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    19. Assertion (A): Sodium ions are discharged in preference to hydrogen io...

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    20. Assertion (A): Alkali metlas impart colour to the flame. Reason (R )...

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