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Which of the following compounds on hydrolysis gives acetylene ?

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Which of the following compounds on hydrolysis gives acetylene ?
A. `Na_2C_2`
B. `CaC_2`
C. `SrC_2`
D. `BaC_2`
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1 Answer

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Correct Answer - B
`CaCO_3overset(Delta)toCaO+CO_2`
`CaO+3CtoCaC_2+CO`
`CaC_2+2H_2OtoHC-=CH+Ca(OH)_2`
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