Which of the following carbide does not release any hydrocarbon on reaction with water.

Options

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

Answer

A

Explanation

(A) `SiC rArr` Covalent carbide.
(B) `Be_(2)C+4H_(2)O rarr 2Be(OH)_(2)+CH_(4) uarr`
(C) `CaC_(2)+2H_(2)O rarr HC equiv CH uarr +Ca(OH)_(2)`
(D) `Mg_(2)C_(3)+2H_(2)O rarr 2Mg(OH)_(2) +H_(3)C-C equiv CH uarr`