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The sulphide of Na can be prepared by th...

The sulphide of Na can be prepared by the following reactions

A

`2Na+S to Na_(2)S`

B

`Na_(2)OSO_(4)+4C to Na_(2)S+4CO`

C

`Na_(2)O_(2)+SO_(2) to Na_(2)S+2O_(2)`

D

`Na_(2)O+S to Na_(2)S+(1)/(2)O_(2)`

Text Solution

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The correct Answer is:
A, B
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Knowledge Check

  • Na_2 O can be prepared by

    A
    `Na_2 O_2 + CO to `
    B
    `Na + NaNO_3 to `
    C
    `Na + Na NO_3 to `
    D
    ` Na_2 O_2 +Na to`

  • SO_(3) can be prepared by which of the following reactions ?

    A
    `CaSO_(4) C overset ("heat") to `
    B
    `Fe_(2)(SO_(4))_(3) overset("heat") to`
    C
    `S+H_(2)SO_(4) overset("heat") to`
    D
    `H_(2)SO_(4) + PCl_(5) overset("heat") to`

  • The product of the reaction of ethyne with hydrochloric acid can also be prepared by the following reaction

    A
    Ethanal with `PCI_(5)`
    B
    Ethene with `CI_(2)`
    C
    Ethyl chloride with `Cl_(2)`
    D
    None of these