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Be2C + H2O rarr BeO + X CaC2 + H2 O r...

`Be_2C + H_2O rarr BeO + X`
`CaC_2 + H_2 O rarr Ca(OH)_2 + Y`
`Mg_(2)C_(3) + H_(2)O rarr Mg(OH)_2 + Z,X,Y` and Z are respectively.

A

`CH_(4),C_(2)H_(2),C_(3)H_(8)`

B

`CH_(4),C_(2)H_(6),C_(3)H_(8)`

C

`CH_(4),C_2H_2,C_3H_4`

D

`C_(2)H_(2),C_(2)H_(4),C_(3)H_(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
`Be_(2)C + 2H_2O rarr 2Be (OH)_2 + CH_4`
`CaC_2 + 2H_2O rarr Ca(OH)_2 + C_2H_2`
`Mg_2C_3 + 4H_2O rarr Mg(OH)_2 + CH_3C = CH`
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BRILLIANT PUBLICATION-S-BLOCK ELEMENTS-LEVEL-II
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  2. Magnesium forms Mg^(2+) and not Mg^(+) because:

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  9. There is loss in mass when mixture of Li2CO3 and Na2CO3 .10H2O is heat...

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  10. Identify the correct statement:

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  11. Which of the following pairs of substances would give same gaseous pro...

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  12. The hydration energy of Mg^(2+) ion is

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  13. The name and formula of the compound of magnesium chlorine and oxygen ...

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  14. Be2C + H2O rarr BeO + X CaC2 + H2 O rarr Ca(OH)2 + Y Mg(2)C(3) + ...

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  15. X+C+Cl2 overset("High temp.")to Y+CO" , "Y+2H2O rarr Z+2HCl ...

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  16. Which metal bicarbonates does not exist in solid state? i) LiHCO3 ...

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  17. The correct sequence of increasing covalent character is

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  18. Correct order of increasing thermal stabilities of alkaline earth meta...

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