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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 `
    • BANSAL-S BLOCK-Exercise-1
    1. Which of the following carbide produces propyne on reaction with water...

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    2. ("Yellow ppt") T overset(K(2)CrO(4)//H^(+))(rarr)X overset(dil. HCl)(r...

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    3. Which of the following carbide does not release any hydrocarbon on rea...

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    4. The golden yellow colour associated with NaCl to Bunsen flame be expla...

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    5. Incorrect statement regarding the dissolution of alkali & alkaline ear...

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    6. The salt which finds uses in qualitative inorganic analysis is

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    7. (i) A+Na(2)CO(3) rarr B+C (ii) A overset(CO(2))(rarr) ("Milky")C T...

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    8. CsBr(3) contains

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    9. Which of the following statement is false

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    10. Na+Al(2)O(3) overset("High temperature")(rarr)X underset("water")overs...

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    11. Mg(2)C(3) reacts with water forming propyne. C(3)^(4-) has

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    12. ("White ppt")D underset(dil. H(2)SO(4))overset(Na(2)CO(3))(larr) under...

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    13. Li does resemble other alkali metals in following properties:

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    14. The pair of compounds which cannot exist together in aqueous solution ...

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    15. Crown ethers and cryptands form

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    16. Calcium imide on hydrolysis will give gas (B) which on oxidation by be...

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    17. The commercial method of preparation of potassium by reduction of molt...

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    18. Choose the correct alternate (s). (I) BeCO(3) is kept in the stmosph...

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    19. Nitrogen dioxide can not be obtained from

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    20. When conc. H(2)SO(4) was treated with K(4) [Fe(CN)(6)], CO has was evo...

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