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Which of the following carbide produces ...

Which of the following carbide produces propyne on reaction with water.

A

`CaC_(2)`

B

`Be_(2)C`

C

`Al_(4)C_(3)`

D

`Mg_(2)C_(3)`

Text Solution

Verified by Experts

The correct Answer is:
D
(A) `CaC_(2)+H_(2)O rarr Ca(OH)_(2)+HC equiv CH uarr`
(B) `Be_(2)C+2H_(2)O rarr 2 BeO+CH_(4) uarr`
(C) `Al_(4)C_(3)+12 H_(2)O rarr 4Al (OH)_(3)+3CH_(4) uarr`
(D) `Mg_(2)C_(3)+4H_(2)O rarr 2Mg(OH)_(2)+H_(3)C-C equiv CH uarr`
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Knowledge Check

  • Which of the following carbides gives propyne on hydrolysis?

    A
    `CaC_(2)`
    B
    `Be_(2)C`
    C
    `MgC_(2)`
    D
    `Mg_(2)C_(3)`

  • Which of the following reaction produces hydrogen ?

    A
    `H_(2)SO_(4)O_(8)+H_(2)O`
    B
    `BaO+HCl`
    C
    `Mg+H_(2)O`
    D
    `Na_(2)O_(2)+2HCl`

  • Which of the following reactions produces hydrogen ?

    A
    `H _(2) S _(2) O _(8) + H _(2) O`
    B
    `B a O + HCl`
    C
    `Ca +H _(2) O `
    D
    `Na _(2) O _(2) + 2 HCl `

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