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A hydrate of Na(2)SO(3) completely loses...

A hydrate of `Na_(2)SO_(3)` completely loses 22.2% of water by mass on strong heatin. The hydrate is-

A

`Na_(2)SO_(3)*4H_(2)O`

B

`Na_(2)SO_(3)*6H_(2)O`

C

`Na_(2)SO_(3)*H_(2)O`

D

`Na_(2)SO_(3)*2H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • Na_2SO_4 is

    A
    An acidic salt
    B
    A neutralized salt
    C
    An alkaline salt
    D
    None of these

  • One hydrated salt Na_2CO_3.xH_2O undergoes 63% loss in mass on heating and become anhydrous The value of X is

    A
    10
    B
    12
    C
    8
    D
    18

  • 25.3g of Na_(2)CO_(3) is dissolved in enough water to make 250 ml of solution. If sodium carbonate dissociate completely, molar concentration of sodium ion, Na^(+) and carbonate ions, CO_(3)^(2-) are respectively-

    A
    0.955(M) and 1.910(M)
    B
    1.910(M) and 0.955(M)
    C
    1.90(M) and 1.910(M)
    D
    0.477(M) and 0.477 (M)
    • CHHAYA PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-MCQ HOTSPOT (SINGLE CORRECT TYPE)
    1. A hydrate of Na(2)SO(3) completely loses 22.2% of water by mass on str...

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    2. 20g of an acid furnishes 0.5 moles of H(3)O^(+) ions on complete ionis...

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    3. Fe(2)S(3) to FeSO(4)+SO(2): in this reaction the equivalent weight of ...

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    4. The equivalent mass of iron in the reaction is- 2Fe+3Cl(2) to 2FeCl(3)

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    5. A sample of Na(2)CO(3)*H(2)O weghing 0.62g is addd to 100 ml of 0.1 N ...

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    6. The normality of 10% (weight/volume) acetic acid is-

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    7. if the equivalent weight of an element is 32, then the % of oxygen in ...

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    8. I^(-) reduces SO(4)^(2-) to H(2)S in acidic medium as per the reaction...

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    9. A mixture containing 1 mol of ethane and 4 moles of oxygen is ignited ...

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    10. Mass ratio of Na(2)SO(3) and H(2)O in Na(2)SO(3)*xH(2)O is 1:1 thus th...

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    11. When 0.237g Mg is heated strongly in a nitrogen (N(2)) atmosphere, 0.3...

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    12. NH(3) is formed in the following steps: I. Ca+2C to CaC(2) 50% yield...

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    13. Silver ions react with chloride ions Ag^(+)(aq)+Cl^(-)(aq)toAgCl(s) ...

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    14. Equal volumes of H(2)S & SO(2) react at NTP to form H(2)O and S. 2H(2)...

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    15. NaI+AgNO(3)toAgI+NaNO(2) AgI+Fe to FeI(2)+Ag FeI(2)+Cl(2) to FeCl(...

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    16. The mole fraction and molarity off 46% (by weight) aqueous solution of...

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    17. The amount of KMnO(4) required to react with 1 mol of sulphite ion ini...

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    18. A sphere of radius 7 cm contains 56% iron. If the density of the spher...

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    19. When 800g of a 40% solution by weight was colled, 100g of solute was p...

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    20. 0.70g mixture of (NH(4))(2)SO(4) was boiled with 100 ml of 0.2 N NaOH ...

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