${\rm{Ca}}{{\rm{C}}_2} + {{\rm{H}}_2}{\rm{O}} \to X\xrightarrow{{{{\rm{O}}_3}/\frac{{{{\rm{H}}_2}{\rm{O}}}}{{{\rm{O}}{{\rm{H}}^ + }}}}}{\rm{HCOOH}} + {\rm{HCOOH}},X\;{\rm{is}}$

${\rm{Ca}}{\left( {{\rm{OH}}} \right)_2}$

JEE CHEMISTRY MCQ: HYDROCARBONS

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\mathrm{Ca}{\mathrm{C}_2} + {\mathrm{H}_2}\mathrm{O} \to X\xrightarrow{{{\mathrm{O}_3}/\frac{{{\mathrm{H}_2}\mathrm{O}}}{{\mathrm{O}{\mathrm{H}^ + }}}}}\mathrm{HCOOH} + \mathrm{HCOOH},X\;\mathrm{is}

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Correct option: B

{\mathrm{C}_2}{\mathrm{H}_2}

Option B (

{\mathrm{C}_2}{\mathrm{H}_2}

) is correct because the reaction of calcium carbide with water produces ethyne (acetylene), which upon ozonolysis followed by hydrolysis yields formic acid.

JEE CHEMISTRY MCQ: HYDROCARBONS

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